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中国科学院昆明植物研究所知识管理系统
Knowledge Management System of Kunming Institute of Botany,CAS
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0.05) between wild (AR = 4.651), semi-cultivated (AR = 5.091) and cultivated (AR = 5.132) populations of C. taliensis, which suggested that the genetic background of long-lived woody plant was not easy to be changed, and there were moderate high gene flow between populations. However, there was a significant difference (P < 0.05) between wild (AR = 5.9) and cultivated (AR = 7.1) populations distributed in the same place in Yun county, Yunnan province, which may result from the hybridization and introgression of species in the tea garden and anthropogenic damages to the wild population. The hypothesis of hybrid origin of C. grandibracteata was tested by morphological and microsatellites analyses. Compared with other species, the locules in ovary of C. grandibracteata are variable, which showed a morphological intermediate and mosaic. Except one private allele, Ninety-nine percent alleles of C. grandibracteata were shared with these of C. taliensis and C. sinensis var. assamica. And C. grandibracteata was nested in the cluster of C. taliensis in the UPGMA tree. Conclusively, our results supported the hypothesis of hybrid origin of C. grandibracteata partly. The speciation of C. grandibracteata was derived from hybridization and asymmetrical introgression potentially. It is possible that C. taliensis was one of its parents, but it still needs more evidences to prove that C. sinensis var. assamica was another parent.","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=tomato&order=desc&&fq=dc.project.title_filter%3ACamellia%5C+taliensis%5C+%5C%28W.%5C+W.%5C+Smith%5C%29%5C+Melchior%2C%5C+a%5C+member%5C+of%5C+Camellia%5C+sect.%5C+Thea%2C%5C+is%5C+an%5C+indigenous%5C+species%5C+in%5C+local%5C+natural%5C+forest%5C+and%5C+has%5C+a%5C+long%5C+cultivative%5C+history%5C+in%5C+western%5C+Yunnan%5C+and%5C+its%5C+neighborhood%2C%5C+where%5C+the%5C+domestications%5C+of%5C+this%5C+species%5C+in%5C+different%5C+historical%5C+periods%5C+and%5C+in%5C+different%5C+ways%5C+can%5C+be%5C+found.%5C+C.%5C+taliensis%5C+is%5C+an%5C+important%5C+contributor%5C+to%5C+the%5C+formations%5C+of%5C+tea%5C+landraces%5C+by%5C+hybridization%5C+and%5C+introgression.%5C+In%5C+the%5C+present%5C+study%2C%5C+14%5C+microsatellite%5C+loci%5C+screened%5C+from%5C+37%5C+loci%5C+were%5C+used%5C+to%5C+explore%5C+the%5C+genetic%5C+diversity%5C+about%5C+this%5C+species%5C+with%5C+579%5C+samples%5C+from%5C+25%5C+populations%5C+%5C%2816%5C+wild%5C+populations%2C%5C+4%5C+semi%5C-cultivated%5C+populations%5C+and%5C+5%5C+cultivated%5C+populations%5C%29.%5C+At%5C+the%5C+same%5C+time%2C%5C+the%5C+potential%5C+hybrid%5C+speciation%5C+of%5C+C.%5C+grandibracteata%2C%5C+was%5C+investigated%5C+using%5C+39%5C+individuals%5C+from%5C+2%5C+populations%2C%5C+along%5C+with%5C+C.%5C+taliensis%5C+and%5C+C.%5C+sinensis%5C+var.%5C+assamica%5C+%5C%2883%5C+individuals%5C+from%5C+4%5C+populations%5C%29%5C+by%5C+the%5C+same%5C+microsatellite%5C+markers.%5C+C.%5C+taliensis%5C+had%5C+a%5C+moderate%5C+high%5C+level%5C+of%5C+genetic%5C+diversity%5C+%5C%28A%5C+%3D%5C+14.3%2C%5C+Ne%3D%5C+5.7%2C%5C+HE%5C+%3D%5C+0.666%2C%5C+I%5C+%3D%5C+1.753%2C%5C+AR%5C+%3D%5C+7.2%2C%5C+PPB%5C+%3D%5C+100%25%5C%29.%5C+This%5C+may%5C+result%5C+from%5C+several%5C+factors%5C+including%5C+K%5C-strategy%2C%5C+genetic%5C+background%2C%5C+gene%5C+flow%5C+between%5C+populations%2C%5C+hybridization%5C+and%5C+introgression%5C+among%5C+species.%5C+Between%5C+wild%5C+populations%5C+of%5C+C.%5C+taliensis%2C%5C+the%5C+gene%5C+flow%5C+was%5C+moderate%5C+high%5C+%5C%28Nm%5C+%3D%5C+1.197%5C%29%2C%5C+and%5C+genetic%5C+variation%5C+was%5C+less%5C+than%5C+20%25%5C+%5C%28GST%5C+%3D%5C+0.147%2C%5C+FST%5C+%3D%5C+0.173%5C%29%2C%5C+which%5C+was%5C+similar%5C+to%5C+other%5C+research%5C+results%5C+of%5C+long%5C-lived%5C+woody%5C+plants%2C%5C+and%5C+reflected%5C+the%5C+genetic%5C+structure%5C+of%5C+its%5C+ancestry%5C+to%5C+same%5C+extent.%5C+There%5C+was%5C+a%5C+high%5C+significant%5C+correlation%5C+between%5C+geographic%5C+distance%5C+and%5C+Nei%E2%80%99s%5C+genetic%5C+distance%5C+%5C%28r%5C+%3D%5C+0.372%2C%5C+P%5C+%3D%5C+0.001%5C%29%5C+of%5C+populations%2C%5C+which%5C+accorded%5C+with%5C+isolation%5C+by%5C+distance%5C+model.%5C+Inferring%5C+from%5C+Bayesian%5C+clustering%5C+of%5C+genotypes%2C%5C+all%5C+individuals%5C+of%5C+C.%5C+taliensis%5C+were%5C+divided%5C+into%5C+two%5C+groups%2C%5C+conflicting%5C+with%5C+the%5C+result%5C+based%5C+on%5C+Nei%E2%80%99s%5C+genetic%5C+distance%5C+and%5C+real%5C+geographic%5C+distribution%2C%5C+which%5C+suggested%5C+there%5C+were%5C+heavy%5C+and%5C+non%5C-random%5C+influences%5C+by%5C+human%5C+practices.%5C+According%5C+to%5C+allelic%5C+richness%2C%5C+there%5C+were%5C+no%5C+significant%5C+differences%5C+%5C%28P%5C+%3E%5C+0.05%5C%29%5C+between%5C+wild%5C+%5C%28AR%5C+%3D%5C+4.651%5C%29%2C%5C+semi%5C-cultivated%5C+%5C%28AR%5C+%3D%5C+5.091%5C%29%5C+and%5C+cultivated%5C+%5C%28AR%5C+%3D%5C+5.132%5C%29%5C+populations%5C+of%5C+C.%5C+taliensis%2C%5C+which%5C+suggested%5C+that%5C+the%5C+genetic%5C+background%5C+of%5C+long%5C-lived%5C+woody%5C+plant%5C+was%5C+not%5C+easy%5C+to%5C+be%5C+changed%2C%5C+and%5C+there%5C+were%5C+moderate%5C+high%5C+gene%5C+flow%5C+between%5C+populations.%5C+However%2C%5C+there%5C+was%5C+a%5C+significant%5C+difference%5C+%5C%28P%5C+%3C%5C+0.05%5C%29%5C+between%5C+wild%5C+%5C%28AR%5C+%3D%5C+5.9%5C%29%5C+and%5C+cultivated%5C+%5C%28AR%5C+%3D%5C+7.1%5C%29%5C+populations%5C+distributed%5C+in%5C+the%5C+same%5C+place%5C+in%5C+Yun%5C+county%2C%5C+Yunnan%5C+province%2C%5C+which%5C+may%5C+result%5C+from%5C+the%5C+hybridization%5C+and%5C+introgression%5C+of%5C+species%5C+in%5C+the%5C+tea%5C+garden%5C+and%5C+anthropogenic%5C+damages%5C+to%5C+the%5C+wild%5C+population.%5C+The%5C+hypothesis%5C+of%5C+hybrid%5C+origin%5C+of%5C+C.%5C+grandibracteata%5C+was%5C+tested%5C+by%5C+morphological%5C+and%5C+microsatellites%5C+analyses.%5C+Compared%5C+with%5C+other%5C+species%2C%5C+the%5C+locules%5C+in%5C+ovary%5C+of%5C+C.%5C+grandibracteata%5C+are%5C+variable%2C%5C+which%5C+showed%5C+a%5C+morphological%5C+intermediate%5C+and%5C+mosaic.%5C+Except%5C+one%5C+private%5C+allele%2C%5C+Ninety%5C-nine%5C+percent%5C+alleles%5C+of%5C+C.%5C+grandibracteata%5C+were%5C+shared%5C+with%5C+these%5C+of%5C+C.%5C+taliensis%5C+and%5C+C.%5C+sinensis%5C+var.%5C+assamica.%5C+And%5C+C.%5C+grandibracteata%5C+was%5C+nested%5C+in%5C+the%5C+cluster%5C+of%5C+C.%5C+taliensis%5C+in%5C+the%5C+UPGMA%5C+tree.%5C+Conclusively%2C%5C+our%5C+results%5C+supported%5C+the%5C+hypothesis%5C+of%5C+hybrid%5C+origin%5C+of%5C+C.%5C+grandibracteata%5C+partly.%5C+The%5C+speciation%5C+of%5C+C.%5C+grandibracteata%5C+was%5C+derived%5C+from%5C+hybridization%5C+and%5C+asymmetrical%5C+introgression%5C+potentially.%5C+It%5C+is%5C+possible%5C+that%5C+C.%5C+taliensis%5C+was%5C+one%5C+of%5C+its%5C+parents%2C%5C+but%5C+it%5C+still%5C+needs%5C+more%5C+evidences%5C+to%5C+prove%5C+that%5C+C.%5C+sinensis%5C+var.%5C+assamica%5C+was%5C+another%5C+parent."},{"jsname":"China Agriculture Research System[CARS-02]","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=tomato&order=desc&&fq=dc.project.title_filter%3AChina%5C+Agriculture%5C+Research%5C+System%5C%5BCARS%5C-02%5C%5D"},{"jsname":"Chinese Academy of Sciences[2013T2S0030]","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=tomato&order=desc&&fq=dc.project.title_filter%3AChinese%5C+Academy%5C+of%5C+Sciences%5C%5B2013T2S0030%5C%5D"},{"jsname":"Chinese Academy of Sciences[2013T2S003]","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=tomato&order=desc&&fq=dc.project.title_filter%3AChinese%5C+Academy%5C+of%5C+Sciences%5C%5B2013T2S003%5C%5D"},{"jsname":"Cold stress is one of the major environmental factors that adversely influence plants growth. Cold stress not only limits plants geographic distribution, but also reduces plants yield by shortening growing season, which brought billions of dollars economic losses for global crop. In nature, responses of overwintering plants to low temperature can be divided into three distinct phases: cold acclimation (CA), freezing, and post-freezing recovery (PFR). Until now, plenty intensive study about molecular mechanism of cold stress mainly focused on the above-zero low temperature phase. However, the studies on the freezing phase below zero and the following PFR phase with temperature going up to above-zero were rare. The previous research form our lab hinted that the responses of plants to freezing and PFR were complex and important. Except for passive reflection, there were also crucial active responses during this process. Several special rules were presented at the different levels including gene expression, signal transduction and membrane lipids changes, and fully understanding these rules would be helpful for us to explore the responses of plants to low temperature and then proceed to improve the freezing resistance of plants. In the present study, the mechanisms of respond to freezing and PFR of model plant Arabidopsis thaliana and its close relative Thellungiella halophlia that with extreme tolerance to abiotic stresses were carried out, including regulation of gene expression, signal transduction pathway and membrane lipids changes three levels which were essential for the freezing resistance of plants. Ground on these work, we obtained results from the following five aspects. First, the complete picture of A. thaliana responding to freezing and PFR at transcriptome level was elaborated and three functional genes closely related to the phases were identified. Second, the cis-elements with high frequent presence in differentially expressed genes were elucidated, and the practical binding of one elements among them was experimental verified during freezing and PFR. Moreover, we predicted the new elements which would respond to freezing and PFR. Third, the regulation of freezing stress by microRNA in A. thaliana was preliminarily investigated and 36 functional genes possibly regulated by miRNA during freezing and PFR were gained. Fourth, the negative effect of phytohormone Auxin on A. thaliana subjected to freezing stress was identified. Fifth, for the freezing-resistant plant T. halophlia, the rules of membrane lipids composition changes under freezing stress were uncovered.","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=tomato&order=desc&&fq=dc.project.title_filter%3ACold%5C+stress%5C+is%5C+one%5C+of%5C+the%5C+major%5C+environmental%5C+factors%5C+that%5C+adversely%5C+influence%5C+plants%5C+growth.%5C+Cold%5C+stress%5C+not%5C+only%5C+limits%5C+plants%5C+geographic%5C+distribution%2C%5C+but%5C+also%5C+reduces%5C+plants%5C+yield%5C+by%5C+shortening%5C+growing%5C+season%2C%5C+which%5C+brought%5C+billions%5C+of%5C+dollars%5C+economic%5C+losses%5C+for%5C+global%5C+crop.%5C+In%5C+nature%2C%5C+responses%5C+of%5C+overwintering%5C+plants%5C+to%5C+low%5C+temperature%5C+can%5C+be%5C+divided%5C+into%5C+three%5C+distinct%5C+phases%5C%3A%5C+cold%5C+acclimation%5C+%5C%28CA%5C%29%2C%5C+freezing%2C%5C+and%5C+post%5C-freezing%5C+recovery%5C+%5C%28PFR%5C%29.%5C+Until%5C+now%2C%5C+plenty%5C+intensive%5C+study%5C+about%5C+molecular%5C+mechanism%5C+of%5C+cold%5C+stress%5C+mainly%5C+focused%5C+on%5C+the%5C+above%5C-zero%5C+low%5C+temperature%5C+phase.%5C+However%2C%5C+the%5C+studies%5C+on%5C+the%5C+freezing%5C+phase%5C+below%5C+zero%5C+and%5C+the%5C+following%5C+PFR%5C+phase%5C+with%5C+temperature%5C+going%5C+up%5C+to%5C+above%5C-zero%5C+were%5C+rare.%5C+The%5C+previous%5C+research%5C+form%5C+our%5C+lab%5C+hinted%5C+that%5C+the%5C+responses%5C+of%5C+plants%5C+to%5C+freezing%5C+and%5C+PFR%5C+were%5C+complex%5C+and%5C+important.%5C+Except%5C+for%5C+passive%5C+reflection%2C%5C+there%5C+were%5C+also%5C+crucial%5C+active%5C+responses%5C+during%5C+this%5C+process.%5C+Several%5C+special%5C+rules%5C+were%5C+presented%5C+at%5C+the%5C+different%5C+levels%5C+including%5C+gene%5C+expression%2C%5C+signal%5C+transduction%5C+and%5C+membrane%5C+lipids%5C+changes%2C%5C+and%5C+fully%5C+understanding%5C+these%5C+rules%5C+would%5C+be%5C+helpful%5C+for%5C+us%5C+to%5C+explore%5C+the%5C+responses%5C+of%5C+plants%5C+to%5C+low%5C+temperature%5C+and%5C+then%5C+proceed%5C+to%5C+improve%5C+the%5C+freezing%5C+resistance%5C+of%5C+plants.%5C+In%5C+the%5C+present%5C+study%2C%5C+the%5C+mechanisms%5C+of%5C+respond%5C+to%5C+freezing%5C+and%5C+PFR%5C+of%5C+model%5C+plant%5C+Arabidopsis%5C+thaliana%5C+and%5C+its%5C+close%5C+relative%5C+Thellungiella%5C+halophlia%5C+that%5C+with%5C+extreme%5C+tolerance%5C+to%5C+abiotic%5C+stresses%5C+were%5C+carried%5C+out%2C%5C+including%5C+regulation%5C+of%5C+gene%5C+expression%2C%5C+signal%5C+transduction%5C+pathway%5C+and%5C+membrane%5C+lipids%5C+changes%5C+three%5C+levels%5C+which%5C+were%5C+essential%5C+for%5C+the%5C+freezing%5C+resistance%5C+of%5C+plants.%5C+Ground%5C+on%5C+these%5C+work%2C%5C+we%5C+obtained%5C+results%5C+from%5C+the%5C+following%5C+five%5C+aspects.%5C+First%2C%5C+the%5C+complete%5C+picture%5C+of%5C+A.%5C+thaliana%5C+responding%5C+to%5C+freezing%5C+and%5C+PFR%5C+at%5C+transcriptome%5C+level%5C+was%5C+elaborated%5C+and%5C+three%5C+functional%5C+genes%5C+closely%5C+related%5C+to%5C+the%5C+phases%5C+were%5C+identified.%5C+Second%2C%5C+the%5C+cis%5C-elements%5C+with%5C+high%5C+frequent%5C+presence%5C+in%5C+differentially%5C+expressed%5C+genes%5C+were%5C+elucidated%2C%5C+and%5C+the%5C+practical%5C+binding%5C+of%5C+one%5C+elements%5C+among%5C+them%5C+was%5C+experimental%5C+verified%5C+during%5C+freezing%5C+and%5C+PFR.%5C+Moreover%2C%5C+we%5C+predicted%5C+the%5C+new%5C+elements%5C+which%5C+would%5C+respond%5C+to%5C+freezing%5C+and%5C+PFR.%5C+Third%2C%5C+the%5C+regulation%5C+of%5C+freezing%5C+stress%5C+by%5C+microRNA%5C+in%5C+A.%5C+thaliana%5C+was%5C+preliminarily%5C+investigated%5C+and%5C+36%5C+functional%5C+genes%5C+possibly%5C+regulated%5C+by%5C+miRNA%5C+during%5C+freezing%5C+and%5C+PFR%5C+were%5C+gained.%5C+Fourth%2C%5C+the%5C+negative%5C+effect%5C+of%5C+phytohormone%5C+Auxin%5C+on%5C+A.%5C+thaliana%5C+subjected%5C+to%5C+freezing%5C+stress%5C+was%5C+identified.%5C+Fifth%2C%5C+for%5C+the%5C+freezing%5C-resistant%5C+plant%5C+T.%5C+halophlia%2C%5C+the%5C+rules%5C+of%5C+membrane%5C+lipids%5C+composition%5C+changes%5C+under%5C+freezing%5C+stress%5C+were%5C+uncovered."},{"jsname":"During a field trip at a brule in Shangri-La, a mixed population of Ligularia Cass. was found, which including L. subspicata (Bur. et Franch.) Hand.-Mazz., L. nelumbifolia (Bur. et Franch.) Hand.-Mazz., L. tongolensis (Franch.) Hand.-Mazz., L. cymbulifera (W.W.Smith) Hand.-Mazz., L. lingiana S.W.Liu, and also some individuals morphologically intermediate between L. subspicata and L. nelumbifolia. Hence, these intermediate individuals were preliminarily assumed as natural hybrids of the two Ligularia. According to their morphology, they’re assumed to form hybrids A and B. Through careful comparison of specimens in herbarium and those we collected, the inflorescence of putative hybrid A is close to L. nelumbifolia, but the shape of laminae are intergradation of L. subspicata and L. nelumbifolia; overall morphology of putative hybrids B is similar to L. nelumbifolia, but inflorescence color is as same as L. subspicata. Compared to L. nelumbifolia (39%) and L. subspicata (36.8%), the germination rate of putative hybrid B (45.7%) slightly higher than the two; but that of hybrid A is extraordinarily low (0.3%). One possible interpretation of the low rate is hybridization. 60 individuals were collected, including putative parents, other 4 species of Ligularia nearby, putative hybrid A and B. They were all direct sequenced of four cpDNA fragments, and direct sequenced or cloning sequenced of nrDNA ITS4-5. The results support that L. nelumbifolia and L. subspicata are parents of putative hybrid A, and the majority female parent is L. subspicata, L. vellerea may also be involved in the hybridization in some degree; the nuclear sequences of putative hybrid B have no superposition, and its chloroplast DNA sequences are identical with L. nelumbifolia, so putative hybrid B could not be hybrid; and there are backcross individuals exist among the putative parent L. subspicata. NewHybrids analysis of ISSR markers indicated that, the individuals of putative hybrid A are almost L. nelumbifolia and L. subspicata F1 hybrid generation (10/11), only 1/11 possibly backcross or other forms; all individuals of hybrid B are L. nelumbifolia; except one individual of L. subspicata as backcrossed, the other parent individuals are 100% reliable. This study focused on molecular evidence, complemented by ecological, reproductive and other characteristics, we demonstrated that the morphologically intermediate individuals’ origin, and the probability of belonging to each parental or hybrid class. And concluded that L. nelumbifolia and L. subspicata are the parents of putative hybrid A, L. vellerea may also be involved in the hybridization in some degree, hybrids mainly are the first generation, a few individuals may be involved in backcross, and most probably backcross with L. subspicata according to the anthesis, while the assumption of hybrid B is not supported.","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=tomato&order=desc&&fq=dc.project.title_filter%3ADuring%5C+a%5C+field%5C+trip%5C+at%5C+a%5C+brule%5C+in%5C+Shangri%5C-La%2C%5C+a%5C+mixed%5C+population%5C+of%5C+Ligularia%5C+Cass.%5C+was%5C+found%2C%5C+which%5C+including%5C+L.%5C+subspicata%5C+%5C%28Bur.%5C+et%5C+Franch.%5C%29%5C+Hand.%5C-Mazz.%2C%5C+L.%5C+nelumbifolia%5C+%5C%28Bur.%5C+et%5C+Franch.%5C%29%5C+Hand.%5C-Mazz.%2C%5C+L.%5C+tongolensis%5C+%5C%28Franch.%5C%29%5C+Hand.%5C-Mazz.%2C%5C+L.%5C+cymbulifera%5C+%5C%28W.W.Smith%5C%29%5C+Hand.%5C-Mazz.%2C%5C+L.%5C+lingiana%5C+S.W.Liu%2C%5C+and%5C+also%5C+some%5C+individuals%5C+morphologically%5C+intermediate%5C+between%5C+L.%5C+subspicata%5C+and%5C+L.%5C+nelumbifolia.%5C+Hence%2C%5C+these%5C+intermediate%5C+individuals%5C+were%5C+preliminarily%5C+assumed%5C+as%5C+natural%5C+hybrids%5C+of%5C+the%5C+two%5C+Ligularia.%5C+According%5C+to%5C+their%5C+morphology%2C%5C+they%E2%80%99re%5C+assumed%5C+to%5C+form%5C+hybrids%5C+A%5C+and%5C+B.%5C+Through%5C+careful%5C+comparison%5C+of%5C+specimens%5C+in%5C+herbarium%5C+and%5C+those%5C+we%5C+collected%2C%5C+the%5C+inflorescence%5C+of%5C+putative%5C+hybrid%5C+A%5C+is%5C+close%5C+to%5C+L.%5C+nelumbifolia%2C%5C+but%5C+the%5C+shape%5C+of%5C+laminae%5C+are%5C+intergradation%C2%A0of%5C+L.%5C+subspicata%5C+and%5C+L.%5C+nelumbifolia%5C%3B%5C+overall%5C+morphology%5C+of%5C+putative%5C+hybrids%5C+B%5C+is%5C+similar%5C+to%5C+L.%5C+nelumbifolia%2C%5C+but%5C+inflorescence%5C+color%5C+is%5C+as%5C+same%5C+as%5C+L.%5C+subspicata.%5C+Compared%5C+to%5C+L.%5C+nelumbifolia%5C+%5C%2839%25%5C%29%5C+and%5C+L.%5C+subspicata%5C+%5C%2836.8%25%5C%29%2C%5C+the%5C+germination%5C+rate%5C+of%5C+putative%5C+hybrid%5C+B%5C+%5C%2845.7%25%5C%29%5C+slightly%5C+higher%5C+than%5C+the%5C+two%5C%3B%5C+but%5C+that%5C+of%5C+hybrid%5C+A%5C+is%5C+extraordinarily%5C+low%5C+%5C%280.3%25%5C%29.%5C+One%5C+possible%5C+interpretation%5C+of%5C+the%5C+low%5C+rate%5C+is%5C+hybridization.%5C+60%5C+individuals%5C+were%5C+collected%2C%5C+including%5C+putative%5C+parents%2C%5C+other%5C+4%5C+species%5C+of%5C+Ligularia%5C+nearby%2C%5C+putative%5C+hybrid%5C+A%5C+and%5C+B.%5C+They%5C+were%5C+all%5C+direct%5C+sequenced%5C+of%5C+four%5C+cpDNA%5C+fragments%2C%5C+and%5C+direct%5C+sequenced%5C+or%5C+cloning%5C+sequenced%5C+of%5C+nrDNA%5C+ITS4%5C-5.%5C+The%5C+results%5C+support%5C+that%5C+L.%5C+nelumbifolia%5C+and%5C+L.%5C+subspicata%5C+are%5C+parents%5C+of%5C+putative%5C+hybrid%5C+A%2C%5C+and%5C+the%5C+majority%5C+female%5C+parent%5C+is%5C+L.%5C+subspicata%2C%5C+L.%5C+vellerea%5C+may%5C+also%5C+be%5C+involved%5C+in%5C+the%5C+hybridization%5C+in%5C+some%5C+degree%5C%3B%5C+the%5C+nuclear%5C+sequences%5C+of%5C+putative%5C+hybrid%5C+B%5C+have%5C+no%5C+superposition%2C%5C+and%5C+its%5C+chloroplast%5C+DNA%5C+sequences%5C+are%5C+identical%5C+with%5C+L.%5C+nelumbifolia%2C%5C+so%5C+putative%5C+hybrid%5C+B%5C+could%5C+not%5C+be%5C+hybrid%5C%3B%5C+and%5C+there%5C+are%5C+backcross%5C+individuals%5C+exist%5C+among%5C+the%5C+putative%5C+parent%5C+L.%5C+subspicata.%5C+NewHybrids%5C+analysis%5C+of%5C+ISSR%5C+markers%5C+indicated%5C+that%2C%5C+the%5C+individuals%5C+of%5C+putative%5C+hybrid%5C+A%5C+are%5C+almost%5C+L.%5C+nelumbifolia%5C+and%5C+L.%5C+subspicata%5C+F1%5C+hybrid%5C+generation%5C+%5C%2810%5C%2F11%5C%29%2C%5C+only%5C+1%5C%2F11%5C+possibly%5C+backcross%5C+or%5C+other%5C+forms%5C%3B%5C+all%5C+individuals%5C+of%5C+hybrid%5C+B%5C+are%5C+L.%5C+nelumbifolia%5C%3B%5C+except%5C+one%5C+individual%5C+of%5C+L.%5C+subspicata%5C+as%5C+backcrossed%2C%5C+the%5C+other%5C+parent%5C+individuals%5C+are%5C+100%25%5C+reliable.%5C+This%5C+study%5C+focused%5C+on%5C+molecular%5C+evidence%2C%5C+complemented%5C+by%5C+ecological%2C%5C+reproductive%5C+and%5C+other%5C+characteristics%2C%5C+we%5C+demonstrated%5C+that%5C+the%5C+morphologically%5C+intermediate%5C+individuals%E2%80%99%5C+origin%2C%5C+and%5C+the%5C+probability%5C+of%5C+belonging%5C+to%5C+each%5C+parental%5C+or%5C+hybrid%5C+class.%5C+And%5C+concluded%5C+that%5C+L.%5C+nelumbifolia%5C+and%5C+L.%5C+subspicata%5C+are%5C+the%5C+parents%5C+of%5C+putative%5C+hybrid%5C+A%2C%5C+L.%5C+vellerea%5C+may%5C+also%5C+be%5C+involved%5C+in%5C+the%5C+hybridization%5C+in%5C+some%5C+degree%2C%5C+hybrids%5C+mainly%5C+are%5C+the%5C+first%5C+generation%2C%5C+a%5C+few%5C+individuals%5C+may%5C+be%5C+involved%5C+in%5C+backcross%2C%5C+and%5C+most%5C+probably%5C+backcross%5C+with%5C+L.%5C+subspicata%5C+according%5C+to%5C+the%5C+anthesis%2C%5C+while%5C+the%5C+assumption%5C+of%5C+hybrid%5C+B%5C+is%5C+not%5C+supported."},{"jsname":"Mae Fah Luang University","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=tomato&order=desc&&fq=dc.project.title_filter%3AMae%5C+Fah%5C+Luang%5C+University"},{"jsname":"Mae Fah Luang University[592010200112]","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=tomato&order=desc&&fq=dc.project.title_filter%3AMae%5C+Fah%5C+Luang%5C+University%5C%5B592010200112%5C%5D"},{"jsname":"Mae Fah Luang University[60201000201]","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=tomato&order=desc&&fq=dc.project.title_filter%3AMae%5C+Fah%5C+Luang%5C+University%5C%5B60201000201%5C%5D"},{"jsname":"Mae Fah Luang University[666713]","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=tomato&order=desc&&fq=dc.project.title_filter%3AMae%5C+Fah%5C+Luang%5C+University%5C%5B666713%5C%5D"},{"jsname":"Mushroom Research Foundation","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=tomato&order=desc&&fq=dc.project.title_filter%3AMushroom%5C+Research%5C+Foundation"},{"jsname":"Mushroom Research Foundation (MRF), Chiang Rai, Thailand","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=tomato&order=desc&&fq=dc.project.title_filter%3AMushroom%5C+Research%5C+Foundation%5C+%5C%28MRF%5C%29%2C%5C+Chiang%5C+Rai%2C%5C+Thailand"},{"jsname":"National Key Research and Development Program of 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Control of soilborne potato diseases using Brassica green manures
期刊论文
Crop Protection, 3111, 页码: 1—11
作者:
EVE EMSHWILLER
;
JEFF J. DOYLE
Adobe PDF(214Kb)
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浏览/下载：180/2
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提交时间：2017/07/19
The formation and function of plant volatiles: perfumes for pollinator attraction and defense
期刊论文
Physiology and metabolism, 3111, 期号: 0, 页码: 237-243
作者:
Eran Pichersky
;
Jonathan Gershenzon
Adobe PDF(103Kb)
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浏览/下载：133/1
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提交时间：2017/07/26
Boron in plants: deficiency and toxicity
期刊论文
出版物, 3111, 期号: 0, 页码: 1—24
作者:
Juan J. Camacho-Cristóbal
;
Jesús Rexach
;
Agustín González-Fontes
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浏览/下载：143/1
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提交时间：2017/07/21
Mesophyll conductance limits photosynthesis in fluctuating light under combined drought and heat stresses
期刊论文
PLANT PHYSIOLOGY, 2023
作者:
Zeng,Zhi-Lan
;
Wang,Xiao-Qian
;
Zhang,Shi-Bao
;
Huang,Wei
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Adobe PDF(1297Kb)
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浏览/下载：29/6
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提交时间：2024/05/09
CYCLIC ELECTRON FLOW
CO2 ASSIMILATION
CHLOROPHYLL FLUORESCENCE
ANATOMICAL CHARACTERISTICS
ACCELERATING RECOVERY
MEDITERRANEAN PLANTS
TEMPER
S-nitrosylation of SlAPX Is Involved in Alleviating Oxidative Damage in Transgenic Tobacco under Nitrate Stress
期刊论文
AGRONOMY-BASEL, 2023, 卷号: 13, 期号: 5, 页码: 1322
作者:
Lv,Chuntao
;
Liang,Yuanlin
;
Wang,Manqi
;
Li,Kunzhi
;
Sun,Xudong
;
Xu,Huini
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浏览/下载：30/9
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提交时间：2024/05/09
ascorbate peroxidase
NO
AsA-GSH cycle
tomato
CYTOSOLIC ASCORBATE PEROXIDASE
NITRIC-OXIDE
SUPEROXIDE-DISMUTASE
NACL STRESS
GLUTATHIONE-REDUCTASE
TYROSINE NITRATION
HYDROGEN-PEROXIDE
ACTIVE OXYGEN
SALT STRESS
TOLERANCE
UPLC-Q-Orbitrap-MS/MS-Guided Isolation of Bioactive Withanolides from the Fruits of Physalis angulata
期刊论文
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, 2023, 卷号: 71, 期号: 44, 页码: 16581-16592
作者:
Wang,Peng
;
Yang,Xiao-Meng
;
Hu,Zhan-Xing
;
Li,Ya-Nan
;
Yang,Jue
;
Hao,Xiao-Jiang
;
Yuan,Chun-Mao
;
Yi,Ping
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浏览/下载：2/1
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提交时间：2024/07/10
Physalis angulata
rare withanolidederivatives
isolation and identification
anticancer
anti-inflammatory activity
CYTOTOXIC WITHANOLIDES
CONSTITUENTS
PLANTS
L.
Matrine-Type Alkaloids with Anti-Tomato Spotted Wilt Virus Activity from the Root of Sophora tonkinensis Gagnep.
期刊论文
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, 2023, 卷号: 71, 期号: 10, 页码: 4394-4407
作者:
Zhao,Li-Hua
;
Hu,Zhan-Xing
;
Hao,Xiao-Jiang
;
Zhang,Peng
;
Zhang,Ji
;
An,Qiao
;
Wang,Juan
;
Yi,Ping
;
Yuan,Chun-Mao
;
Zhang,Zhong-Kai
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浏览/下载：2/2
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提交时间：2024/07/10
Sophora tonkinensis Gagnep
matrine-type alkaloids
anti-TSWV
LUPIN ALKALOIDS
QUINOLIZIDINE ALKALOIDS
SEEDS
Drought stress delays photosynthetic induction and accelerates photoinhibition under short-term fluctuating light in tomato
期刊论文
PLANT PHYSIOLOGY AND BIOCHEMISTRY, 2023, 卷号: 196, 页码: 152-161
作者:
Sun,Hu
;
Shi,Qi
;
Liu,Ning-Yu
;
Zhang,Shi-Bao
;
Huang,Wei
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浏览/下载：1/1
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提交时间：2024/07/17
Drought
Fluctuating light
Mesophyll conductance
Stomatal conductance
Photoinhibition
Photosynthesis
CYCLIC ELECTRON FLOW
PROTON MOTIVE FORCE
PHOTOSYSTEM-I
CO2 ASSIMILATION
MESOPHYLL CONDUCTANCE
GAS-EXCHANGE
CHLOROPHYLL FLUORESCENCE
TEMPERATURE
RESPONSES
LIMITATIONS
转录因子MYC2 调控玉米抗虫响应的机制研究
学位论文
: 中国科学院大学, 2022
作者:
马灿容
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浏览/下载：139/0
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提交时间：2024/05/14
丁布，茉莉酸，玉米，MYC2，挥发性萜烯化合物
Benzoxazinoids, Jasmonic acid, Maize, MYC2, Volatile terpenes
茄科作物种间单向不亲和机制及抗虫分子机理研究
学位论文
: 中国科学院大学, 2022
作者:
张翠萍
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浏览/下载：14/0
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提交时间：2024/05/14
单向不亲和性，抗虫，番茄，马铃薯
unilateral incompatibility, insect resistant, tomato, potato
