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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 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Scholarship Council","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=Polyploid&order=desc&&fq=dc.project.title_filter%3AChina%5C+Scholarship%5C+Council"},{"jsname":"China Scholarship Council[201706380093]","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=Polyploid&order=desc&&fq=dc.project.title_filter%3AChina%5C+Scholarship%5C+Council%5C%5B201706380093%5C%5D"},{"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=Polyploid&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":"Glory Light International Fellowship for Chinese Botanists at Missouri Botanical Garden","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=Polyploid&order=desc&&fq=dc.project.title_filter%3AGlory%5C+Light%5C+International%5C+Fellowship%5C+for%5C+Chinese%5C+Botanists%5C+at%5C+Missouri%5C+Botanical%5C+Garden"},{"jsname":"Kunming Institute of Botany, Chinese Academy of Sciences","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=Polyploid&order=desc&&fq=dc.project.title_filter%3AKunming%5C+Institute%5C+of%5C+Botany%2C%5C+Chinese%5C+Academy%5C+of%5C+Sciences"},{"jsname":"National Geographic Society of the USA","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=Polyploid&order=desc&&fq=dc.project.title_filter%3ANational%5C+Geographic%5C+Society%5C+of%5C+the%5C+USA"},{"jsname":"National Natural Science Foundation of China[31400196]","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=Polyploid&order=desc&&fq=dc.project.title_filter%3ANational%5C+Natural%5C+Science%5C+Foundation%5C+of%5C+China%5C%5B31400196%5C%5D"},{"jsname":"National Natural Science Foundation of China[31470336]","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=Polyploid&order=desc&&fq=dc.project.title_filter%3ANational%5C+Natural%5C+Science%5C+Foundation%5C+of%5C+China%5C%5B31470336%5C%5D"},{"jsname":"National Natural Science Foundation of China[31500171]","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=Polyploid&order=desc&&fq=dc.project.title_filter%3ANational%5C+Natural%5C+Science%5C+Foundation%5C+of%5C+China%5C%5B31500171%5C%5D"},{"jsname":"National Natural Science Foundation of China[31600178]","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=Polyploid&order=desc&&fq=dc.project.title_filter%3ANational%5C+Natural%5C+Science%5C+Foundation%5C+of%5C+China%5C%5B31600178%5C%5D"},{"jsname":"National Science Foundation of China[31470336]","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=Polyploid&order=desc&&fq=dc.project.title_filter%3ANational%5C+Science%5C+Foundation%5C+of%5C+China%5C%5B31470336%5C%5D"},{"jsname":"National Science Foundation of China[31600178]","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=Polyploid&order=desc&&fq=dc.project.title_filter%3ANational%5C+Science%5C+Foundation%5C+of%5C+China%5C%5B31600178%5C%5D"},{"jsname":"Pedicularis sect. Cyathophora is a distinctive group endemic to the eastern Himalaya-Hengduan Mountains region. It was regarded as a ‘grex’ or section and included all four general corolla types of Pedicularis. A unique feature is that the leaf and bract bases are fused together to form a cup-like structure around the stem at each node. Our molecular phylogenetic study indicated that P. sect. Cyathophora was a monophyletic lineage, although the relationships among species were not fully resolved. P. rex C. B. Clarke ex Maxim. is the most various and wide-distributed species in P. sect. Cyathophora. It is extremely variable in wild populations, and elicits a vast quantity of morpho-variations, which qualifies the species as one of the most diverse and complex taxa of the genus Pedicularis. In this study, the phylogeny of P. sect. Cyathophora was reconstructed based on four chloroplast genes (matK, rbcL, trnH-psbA, and trnL-F) and one nuclear gene, ITS, using 78 samples, with an emphasis on the P. rex complex. Also morphometric analyses were used to assess the morphological variation in P. rex complex and taxonomic revisions were presented for some taxa of this complex. Thirteen microsatellite markers were developed from three microsatellite-enriched libraries (AG, AC and AAG) of P. rex with a modified biotin-streptavidin capture technique, which could be used for further studies on the genetic diversity and population structure of this species and its congeners. Main results were summarized as follows: 1. Molecular phylogeny of P. sect. Cyathophora H. L. Li， The phylogeny of P. sect. Cyathophora was reconstructed based on chloroplast matK, rbcL, trnH-psbA, trnL-F and one nuclear gene, ITS, involving six species and 11 outgroups with a total of 78 samples. Our study showed that the monophyly of this group was strongly supported, in which P. superba was monophyletic based on chloroplast genes. The samples of P. cyathophylloides from Sichuan nested within P. cyathophylla. Ancient hybridization may occur between the two species. P. xiangchengensis is better to treat as a synonym of P. cyathophylla. Especially, P. ser. Reges was complicated, in which the individuals from different populations in the same species were rarely monophyletic. In addition, individuals forming monophyletic groups were not geographically close. In P. ser. Reges, lineage sorting of chloroplast DNA variations following rapid divergence is likely to have caused complex phylogeny of the taxa, which was reconstructed in our study. Hybridzation, introgression, lineage sorting and adaptive radiation may play important roles in the evolution of these taxa studied. Multiple, independent data sets are needed for resolving phylogenetic relationships of rapidly diverged lineages in P. sect. Cyathophora. 2. The taxonomic revision of P. rex complex，A total of 165 specimens with about 14 vegetative and eight reproductive characters were involved in the morphometric analysis. The results of PCA did not support six taxa for it emerged considerable morphological overlap. P. rex var. rockii was promoted to subspecies level for its prominent performance in PCA. Three taxa, P. rex subsp. pseudocyathus, P. rex subsp. zayuensis and P. rex subsp. parva, were merged into P. rex subsp. rex. Then P. rex subsp. lipskyana kept still at its rank for its purple red corolla color. The result of DA led to the selection of diagnostic traits between the P. rex and P. thamnophila. P. rex has less dissected leaves than P. thamnophila. P. rex is various in leaves number in whole, but P. thamnophila has stable three leaves in whole. Itpossesses a smaller corolla than P. rex. But P. thamnophila subsp. cupuliformis is a little different from P. thamnophila subsp. thamnophila in some vegetative characters, and it has purple stripes with the lower lip, so it is kept at the subspecies level. 3. Isolation and characterization of microsatellite loci from P. rex， We developed 13 microsatellite markers from three microsatellite-enriched libraries (AG, AC and AAG) of P. rex with a modified biotin-streptavidin capture technique. Polymorphism of each locus was assessed in 22 individuals with representation of five populations of P. rex. Additionally, among the 13 identified microsatellite markers, eleven of them were successfully amplified in species P. thamnophila, and five of them showed polymorphisms. This study may provide important information for further investigation on the population genetics, introduction and acclimatization of P. rex and its congeners.","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=Polyploid&order=desc&&fq=dc.project.title_filter%3APedicularis%5C+sect.%5C+Cyathophora%5C+is%5C+a%5C+distinctive%5C+group%5C+endemic%5C+to%5C+the%5C+eastern%5C+Himalaya%5C-Hengduan%5C+Mountains%5C+region.%5C+It%5C+was%5C+regarded%5C+as%5C+a%5C+%E2%80%98grex%E2%80%99%5C+or%5C+section%5C+and%5C+included%5C+all%5C+four%5C+general%5C+corolla%5C+types%5C+of%5C+Pedicularis.%5C+A%5C+unique%5C+feature%5C+is%5C+that%5C+the%5C+leaf%5C+and%5C+bract%5C+bases%5C+are%5C+fused%5C+together%5C+to%5C+form%5C+a%5C+cup%5C-like%5C+structure%5C+around%5C+the%5C+stem%5C+at%5C+each%5C+node.%5C+Our%5C+molecular%5C+phylogenetic%5C+study%5C+indicated%5C+that%5C+P.%5C+sect.%5C+Cyathophora%5C+was%5C+a%5C+monophyletic%5C+lineage%2C%5C+although%5C+the%5C+relationships%5C+among%5C+species%5C+were%5C+not%5C+fully%5C+resolved.%5C+P.%5C+rex%5C+C.%5C+B.%5C+Clarke%5C+ex%5C+Maxim.%5C+is%5C+the%5C+most%5C+various%5C+and%5C+wide%5C-distributed%5C+species%5C+in%5C+P.%5C+sect.%5C+Cyathophora.%5C+It%5C+is%5C+extremely%5C+variable%5C+in%5C+wild%5C+populations%2C%5C+and%5C+elicits%5C+a%5C+vast%5C+quantity%5C+of%5C+morpho%5C-variations%2C%5C+which%5C+qualifies%5C+the%5C+species%5C+as%5C+one%5C+of%5C+the%5C+most%5C+diverse%5C+and%5C+complex%5C+taxa%5C+of%5C+the%5C+genus%5C+Pedicularis.%5C+In%5C+this%5C+study%2C%5C+the%5C+phylogeny%5C+of%5C+P.%5C+sect.%5C+Cyathophora%5C+was%5C+reconstructed%5C+based%5C+on%5C+four%5C+chloroplast%5C+genes%5C+%5C%28matK%2C%5C+rbcL%2C%5C+trnH%5C-psbA%2C%5C+and%5C+trnL%5C-F%5C%29%5C+and%5C+one%5C+nuclear%5C+gene%2C%5C+ITS%2C%5C+using%5C+78%5C+samples%2C%5C+with%5C+an%5C+emphasis%5C+on%5C+the%5C+P.%5C+rex%5C+complex.%5C+Also%5C+morphometric%5C+analyses%5C+were%5C+used%5C+to%5C+assess%5C+the%5C+morphological%5C+variation%5C+in%5C+P.%5C+rex%5C+complex%5C+and%5C+taxonomic%5C+revisions%5C+were%5C+presented%5C+for%5C+some%5C+taxa%5C+of%5C+this%5C+complex.%5C+Thirteen%5C+microsatellite%5C+markers%5C+were%5C+developed%5C+from%5C+three%5C+microsatellite%5C-enriched%5C+libraries%5C+%5C%28AG%2C%5C+AC%5C+and%5C+AAG%5C%29%5C+of%5C+P.%5C+rex%5C+with%5C+a%5C+modified%5C+biotin%5C-streptavidin%5C+capture%5C+technique%2C%5C+which%5C+could%5C+be%5C+used%5C+for%5C+further%5C+studies%5C+on%5C+the%5C+genetic%5C+diversity%5C+and%5C+population%5C+structure%5C+of%5C+this%5C+species%5C+and%5C+its%5C+congeners.%5C+Main%5C+results%5C+were%5C+summarized%5C+as%5C+follows%5C%3A%5C+1.%5C+Molecular%5C+phylogeny%5C+of%5C+P.%5C+sect.%5C+Cyathophora%5C+H.%5C+L.%5C+Li%EF%BC%8C%5C+The%5C+phylogeny%5C+of%5C+P.%5C+sect.%5C+Cyathophora%5C+was%5C+reconstructed%5C+based%5C+on%5C+chloroplast%5C+matK%2C%5C+rbcL%2C%5C+trnH%5C-psbA%2C%5C+trnL%5C-F%5C+and%5C+one%5C+nuclear%5C+gene%2C%5C+ITS%2C%5C+involving%5C+six%5C+species%5C+and%5C+11%5C+outgroups%5C+with%5C+a%5C+total%5C+of%5C+78%5C+samples.%5C+Our%5C+study%5C+showed%5C+that%5C+the%5C+monophyly%5C+of%5C+this%5C+group%5C+was%5C+strongly%5C+supported%2C%5C+in%5C+which%5C+P.%5C+superba%5C+was%5C+monophyletic%5C+based%5C+on%5C+chloroplast%5C+genes.%5C+The%5C+samples%5C+of%5C+P.%5C+cyathophylloides%5C+from%5C+Sichuan%5C+nested%5C+within%5C+P.%5C+cyathophylla.%5C+Ancient%5C+hybridization%5C+may%5C+occur%5C+between%5C+the%5C+two%5C+species.%5C+P.%5C+xiangchengensis%5C+is%5C+better%5C+to%5C+treat%5C+as%5C+a%5C+synonym%5C+of%5C+P.%5C+cyathophylla.%5C+Especially%2C%5C+P.%5C+ser.%5C+Reges%5C+was%5C+complicated%2C%5C+in%5C+which%5C+the%5C+individuals%5C+from%5C+different%5C+populations%5C+in%5C+the%5C+same%5C+species%5C+were%5C+rarely%5C+monophyletic.%5C+In%5C+addition%2C%5C+individuals%5C+forming%5C+monophyletic%5C+groups%5C+were%5C+not%5C+geographically%5C+close.%5C+In%5C+P.%5C+ser.%5C+Reges%2C%5C+lineage%5C+sorting%5C+of%5C+chloroplast%5C+DNA%5C+variations%5C+following%5C+rapid%5C+divergence%5C+is%5C+likely%5C+to%5C+have%5C+caused%5C+complex%5C+phylogeny%5C+of%5C+the%5C+taxa%2C%5C+which%5C+was%5C+reconstructed%5C+in%5C+our%5C+study.%5C+Hybridzation%2C%5C+introgression%2C%5C+lineage%5C+sorting%5C+and%5C+adaptive%5C+radiation%5C+may%5C+play%5C+important%5C+roles%5C+in%5C+the%5C+evolution%5C+of%5C+these%5C+taxa%5C+studied.%5C+Multiple%2C%5C+independent%5C+data%5C+sets%5C+are%5C+needed%5C+for%5C+resolving%5C+phylogenetic%5C+relationships%5C+of%5C+rapidly%5C+diverged%5C+lineages%5C+in%5C+P.%5C+sect.%5C+Cyathophora.%5C+2.%5C+The%5C+taxonomic%5C+revision%5C+of%5C+P.%5C+rex%5C+complex%EF%BC%8CA%5C+total%5C+of%5C+165%5C+specimens%5C+with%5C+about%5C+14%5C+vegetative%5C+and%5C+eight%5C+reproductive%5C+characters%5C+were%5C+involved%5C+in%5C+the%5C+morphometric%5C+analysis.%5C+The%5C+results%5C+of%5C+PCA%5C+did%5C+not%5C+support%5C+six%5C+taxa%5C+for%5C+it%5C+emerged%5C+considerable%5C+morphological%5C+overlap.%5C+P.%5C+rex%5C+var.%5C+rockii%5C+was%5C+promoted%5C+to%5C+subspecies%5C+level%5C+for%5C+its%5C+prominent%5C+performance%5C+in%5C+PCA.%5C+Three%5C+taxa%2C%5C+P.%5C+rex%5C+subsp.%5C+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Work of the fourth National survey on Chinese Materia Medica Resources[2017-2019]","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=Polyploid&order=desc&&fq=dc.project.title_filter%3APilot%5C+Work%5C+of%5C+the%5C+fourth%5C+National%5C+survey%5C+on%5C+Chinese%5C+Materia%5C+Medica%5C+Resources%5C%5B2017%5C-2019%5C%5D"},{"jsname":"lastIndexed","jscount":"2024-05-24"}],"资助项目","dc.project.title_filter")'>
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Deciphering complex reticulate evolution of Asian Buddleja (Scrophulariaceae): insights into the taxonomy and speciation of polyploid taxa in the Sino-Himalayan region
期刊论文
ANNALS OF BOTANY, 2023
作者:
Yang,Fengmao
;
Ge,Jia
;
Guo,Yongjie
;
Olmstead,Richard
;
Sun,Weibang
Adobe PDF(2981Kb)
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浏览/下载：11/1
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提交时间：2024/05/09
Buddleja
phylogenomics
reticulate evolution
polyploidy
plastid genome
low-copy nuclear gene
HYBRIDIZATION
ALIGNMENT
DIVERSIFICATION
ALLOPOLYPLOIDY
PHYLOGENETICS
FRAMEWORK
NUCLEAR
ROBUST
FLOW
利用低拷贝基因序列推测人参属多倍体类群的起源
学位论文
: 中国科学院大学, 2022
作者:
龙小霞
Adobe PDF(5378Kb)
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浏览/下载：4/0
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提交时间：2024/05/14
羽叶三七复合群
Panax bipinnatifidus complex
低拷贝核 DNA 片段
Low-copy nuclear DNA fragments
克隆
Clone
多倍体起源
Polyploid origin
药用植物三七的四倍体开发与性状评价
学位论文
, 2021
作者:
陈佳奇
Adobe PDF(3110Kb)
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浏览/下载：10/0
|
提交时间：2024/03/20
Gene duplications and phylogenomic conflict underlie major pulses of phenotypic evolution in gymnosperms
期刊论文
nature plants, 2021
作者:
Gregory W. Stull
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浏览/下载：273/93
|
提交时间：2021/08/23
Spatiotemporal maintenance of flora in the Himalaya biodiversity hotspot: Current knowledge and future perspectives
期刊论文
ECOLOGY AND EVOLUTION, 2021, 卷号: 11, 期号: 16, 页码: 10794-10812
作者:
Wambulwa,Moses C.
;
Milne,Richard
;
Wu,Zeng-Yuan
;
Spicer,Robert A.
;
Provan,Jim
;
Luo,Ya-Huang
;
Zhu,Guang-Fu
;
Wang,Wan-Ting
;
Wang,Hong
;
Gao,Lian-Ming
;
Li,De-Zhu
;
Liu,Jie
Adobe PDF(2089Kb)
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浏览/下载：173/61
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提交时间：2022/04/02
biodiversity hotspot
climate change
elevational gradient
Himalayan flora
mountain ecosystem
spatiotemporal diversification
SPECIES RICHNESS PATTERNS
QINGHAI-TIBET PLATEAU
SOUTH ASIAN MONSOON
ELEVATIONAL GRADIENT
HENGDUAN MOUNTAINS
CLIMATE-CHANGE
BETA-DIVERSITY
QUATERNARY GLACIATION
GENETIC CONSEQUENCES
ARTIFICIAL DISPERSAL
Gene duplications and phylogenomic conflict underlie major pulses of phenotypic evolution in gymnosperms
期刊论文
NATURE PLANTS, 2021, 卷号: 7, 期号: 8, 页码: 1015+
作者:
Stull,Gregory W.
;
Qu,Xiao-Jian
;
Parins-Fukuchi,Caroline
;
Yang,Ying-Ying
;
Yang,Jun-Bo
;
Yang,Zhi-Yun
;
Hu,Yi
;
Ma,Hong
;
Soltis,Pamela S.
;
Soltis,Douglas E.
;
Li,De-Zhu
;
Smith,Stephen A.
;
Yi,Ting-Shuang
浏览
|
Adobe PDF(3414Kb)
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浏览/下载：149/71
|
提交时间：2022/04/02
SEED PLANTS
R PACKAGE
POLYPLOIDY
CONIFERS
TREE
GENERATION
INFERENCE
ANCIENT
DISCORDANCE
ANGIOSPERMS
Rediscovery of Mazus lanceifolius reveals a new genus and a new species in Mazaceae
期刊论文
PHYTOKEYS, 2021, 期号: 171, 页码: 1-24
作者:
Xiang,Chun-Lei
;
Pan,Hong-Li
;
Min,Dao-Zhang
;
Zhang,Dai-Gui
;
Zhao,Fei
;
Liu,Bing
;
Li,Bo
浏览
|
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浏览/下载：171/60
|
提交时间：2022/04/02
Dodartia
Lamiales
Lancea
new genus
Puchiumazus
BAYESIAN PHYLOGENETIC INFERENCE
SCROPHULARIACEAE
PLACEMENT
RBCL
SYSTEMATICS
SEQUENCES
MODEL
DNA
DISINTEGRATION
HYBRIDIZATION
Rose without prickle: genomic insights linked to moisture adaptation
期刊论文
NATIONAL SCIENCE REVIEW, 2021, 卷号: 8, 期号: 12, 页码: nwab092
作者:
Zhong,Mi-Cai
;
Jiang,Xiao-Dong
;
Yang,Guo-Qian
;
Cui,Wei-Hua
;
Suo,Zhi-Quan
;
Wang,Wei-Jia
;
Sun,Yi-Bo
;
Wang,Dan
;
Cheng,Xin-Chao
;
Li,Xu-Ming
;
Dong,Xue
;
Tang,Kai-Xue
;
Li,De-Zhu
;
Hu,Jin-Yong
Adobe PDF(3063Kb)
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浏览/下载：128/65
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提交时间：2022/04/02
Rosa wichuraiana 'Basye's Thornless'
prickle-free
water storage
gene-regulatory-network (GRN)
QTL
TRICHOME DEVELOPMENT
PROVIDES INSIGHTS
FLOWERING TIME
TRANSCRIPTION
ARABIDOPSIS
INHERITANCE
EXPRESSION
INITIATION
TRAITS
GENE
Divergence of the genetic contribution of FRIGIDA homologues in regulating the flowering time in Brassica rapa ssp. rapa
期刊论文
GENE, 2021, 卷号: 796, 页码: 145790
作者:
Zheng,Yan
;
Gao,Zean
;
Luo,Landi
;
Wang,Yonggang
;
Chen,Qian
;
Yang,Ya
;
Kong,Xiangxiang
;
Yang,Yongping
Adobe PDF(4854Kb)
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浏览/下载：137/39
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提交时间：2022/04/02
BrrFRI homologues
Flowering time
Vernalization
B
rapa ssp
rapa
LOCUS-C
NATURAL VARIATION
ARABIDOPSIS
VERNALIZATION
FLC
EXPRESSION
REPRESSOR
DOMESTICATION
TRANSCRIPTION
PROTEINS
Polyploidization and sexual dimorphism of floral traits in a subdioecious population of Dasiphora glabra
期刊论文
JOURNAL OF PLANT ECOLOGY, 2021, 卷号: 14, 期号: 2, 页码: 229-240
作者:
Wang,Lin-Lin
;
Yang,Na-Cai
;
Chen,Min-Yu
;
Yang,Yong-Ping
;
Duan,Yuan-Wen
Adobe PDF(671Kb)
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浏览/下载：63/23
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提交时间：2022/04/02
natural selection
flower traits
polyploidy
sex separation
sexual dimorphism
GENDER DIMORPHISM
POLLEN LIMITATION
POLLINATOR VISITATION
PLANT REPRODUCTION
ALPINE PLANT
EVOLUTIONARY
STRATEGIES
DISPLAY
SYSTEM
FRUIT
