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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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GST,p < 0.001) and low levels of seed-based gene flow. C. debaoensis (Cycadaceae) is an endangered species restricted to the border of Guangxi and Yunnan province in southwest China. This species has been classified into two types: sand and karst, according to the soil matrix they grow on. We examined chloroplast sequence variation of the cpDNA sequences from 11 populations of this species. Significant population genetic differentiation was detected (GST= 0.684 and FST = 0.74160). There was marked genetic differentiation between populations in the sand and karst regions and no expansion was detected. Climate changes during glacial periods have had significant effects on the current distribution of cycads. The molecular phylogenetic data, together with the geographic distribution of the haplotypes, suggest that C. debaoensis experienced range contraction during glacial periods, and that the current populations are still confined to the original refugia in southwest China which have favorable habitats in glacial period. These results imply that small refugia were maintained in both sand and karst regions during the LGM (last glacial maximum). This species had no postglacial recolonization and only stayed in these refugia up to now. The low within-population diversity of C. debaoensis suggests that there were strong bottleneck events or founder effects within each separate region during the Quaternary climatic oscillations. Relatively high genetic and haplotype diversities were detected in the newly discovered populations, which located at intermediate locality of sand regions and had morphological variation; this is probably the consequence of the admixture of different haplotypes colonizing the area from separate sources. C. micholitzii occurs in the Annan Highlands in central Vietnam near the Laos border. C. bifida occurs in North Vietnam; its distribution extends across the border into adjacent localities in Guangxi and Yunnan in China. For the comparability between them,theywere considered as the same species C. micholitzii by many academicians. The cpDNA sequences from 11 populations showed that these very controversial species, C. micholitzii and C. bifida, is paraphyletic and should belong to the same species C. micholitzii. AMOVA analysis showed that the component of among-population within region/species (76.46%) was unexpectedly larger than the among-species/region component (14.97%), which also indicates that there is no justification for recognizing two species as C. micholitzii and C. bifida. This hypothesis was also supported by the geological data, especially the neotectonic history of the indo-china block, which started to move south since Oligocene and cause the geographic isolation of these two groups. Therefore, the most likely explanation to the phenotypic similarities between these two groups may be the retention of ancestral polymorphisms in the paraphyletic group due to incomplete lineage sorting. Furthermore, the similarities may also be ascribed to pollen-mediated gene flow among geographically proximate populations and/or phenotypic convergence under similar selection schemes in the same region. C.micholitzi had the higest genetic diversity (HT = 0.980,) and genetic differentiation (GST = 0.830, NST = 0.915) among the C. micholitzii complex. The high genetic diversity might be attributed to its long evolutionary history, highly diverse habitats. The ineffective mode of seed dispersal and dramatic neotectonic movement in the distribution range of this species could result in the high genetic differentiation. 2. Phylogeographic analysis based on nuclear ribosomal sequences, We sequenced the nrDNA ITS in all 27 populations sampled, 7 haplotypes were identified, among which C. micholitzii had 6, while C. multipinnata, C. longipetiolula and C. debaoensis shared the remaining one. Compared to chloroplast genes, nuclear genes had higher correlation between genetic and geographical distance, but lower interspecies differentiation (54.42% vs 25.24%). Phylogeographical structure of C. micholitzii and C.bifida based on ITS Variation was consistent with the morphology differentiation. This similar in nuclear gene should be ascribed to pollen-mediated gene flow among geographically proximate populations.Long-distance gene flow over the two groups was clearly interrupted, which brought on the nrDNA genetic differenciation between the geographically isolated groups, to a certain extent affected the morphological variation. 3. Interspecies relationships among Cycas micholitzii complex, We analysed chloroplast sequence variation of the atpB-rbcL and psbA-trnH intergenic spacers in 27 populations sampled of C. micholitzii complex, AMOVA analysis showed that the component of among-species/region component (59.21%). However, phylogenic analysis showed that the haplotypes of C. micholitzii complex couldn`t grouped into four clusters closely corresponding to the narrowly defined C. micholitzi, C. multipinnata, C. debaoensis and C. longipetiolula. We concluded that the conflict may result from several factors: firstly incomplete lineage sorting of C. micholitzii; secondly hybridization/introgression of sympatrically cycads, which would be supported by evidence base on nrDNA ITS sequences; thirdly intramolecular recombination in cpDNA of cycads; eventually the neotectonic movement in the distribution range of this 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Yunnan-Guizhou Plateau: a mycological hotspot
期刊论文
PHYTOTAXA, 2021, 卷号: 523, 期号: 1, 页码: 1-31
作者:
Wijayawardene,Nalin N.
;
Dissanayake,Lakmali S.
;
Dai,Dong-Qi
;
Li,Qi-Rui
;
Xiao,Yuanpin
;
Wen,Ting-Chi
;
Karunarathna,Samantha C.
;
Wu,Hai-Xia
;
Zhang,Huang
;
Tibpromma,Saowaluck
;
Kang,Ji-Chuan
;
Wang,Yong
;
Shen,Xiang-Chun
;
Tang,Li-Zhou
;
Deng,Chun-Ying
;
Liu,Yanxia
;
Kang,Yingqian
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浏览/下载：130/41
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提交时间：2022/04/02
2 new species
polyphasic approach
six new records
species diversity
taxonomy
MULTIPLE SEQUENCE ALIGNMENT
SP-NOV
PHYLOGENETIC CLASSIFICATION
ENTOMOPATHOGENIC GENUS
MULTIGENE PHYLOGENY
FUNGI
CORDYCEPS
GENERA
DIVERSITY
LINEAGES
A new species of Volvariella and the first record of Volvariella pulla (Agaricales: incertae sedis) from Thailand
期刊论文
PHYTOTAXA, 2021, 卷号: 480, 期号: 3, 页码: 237-250
作者:
Niego,Allen Grace T.
;
Sysouphanthong,Phongeun
;
Thongklang,Naritsada
;
Hyde,Kevin D.
;
Phonemany,Monthien
;
Phookamsak,Rungtiwa
;
Raspe,Olivier
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浏览/下载：87/25
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提交时间：2022/04/02
1 new species
ITS
LSU
new record
phylogeny
taxonomy
BASIDIOMYCOTA
CANTHAROCYBE
PLUTEACEAE
PHYLOGENY
ALIGNMENT
GENUS
TOOL
Novel Signature Genes and Pathways Identified for Human Left Ventricle Cardiomyopathies Rise from different Etiologies
期刊论文
Journal of Biomedical Research and Reviews, 2021
作者:
Jiao Tian
;
Zheng Yuan Wu
;
Ying Ying He
;
Shubai Liu
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浏览/下载：53/16
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提交时间：2023/09/08
The complete mitochondrial genome of Ophiocordyceps gracilis and its comparison with related species
期刊论文
IMA FUNGUS, 2021, 卷号: 12, 期号: 1, 页码: 31
作者:
Abuduaini,Aifeire
;
Wang,Yuan-Bing
;
Zhou,Hui-Ying
;
Kang,Rui-Ping
;
Ding,Ming-Liang
;
Jiang,Yu
;
Suo,Fei-Ya
;
Huang,Luo-Dong
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浏览/下载：93/21
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提交时间：2022/04/02
Mitochondrial genome
Phylogenetic analysis
Ophiocordyceps gracilis
Ophiocordycipitaceae
GROUP-I
CATERPILLAR FUNGUS
AGARICUS-BISPORUS
SEQUENCE
EVOLUTION
HYPOCREALES
CORDYCEPS
REVEALS
OPHIOCORDYCIPITACEAE
VARIABILITY
Addition to Phaeosphaeria: Eriobotrya japonica a New Host of Phaeosphaeria acaciae
期刊论文
CHIANG MAI JOURNAL OF SCIENCE, 2021, 卷号: 48, 期号: 3, 页码: 922-930
作者:
Liao,Chunfang
;
Karunarathne,Anuruddha
;
Tennakoon,Danushka S.
;
Doilom,Mingkwan
;
Xu,Jianchu
;
Chethana,K. W. Thilini
;
Dauner,Lucas A. P.
;
Karunarathna,Samantha C.
;
Tibpromma,Saowaluck
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浏览/下载：93/33
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提交时间：2022/04/02
China
multigene phylogeny
new record
Phaeosphaeriaceae
taxonomy
SP.-NOV.
PHYLOGENY
CLASSIFICATION
PROBABILITY
BOOTSTRAP
YUNNAN
FUNGI
CHINA
Mucoralean fungi in Thailand: novel species of Absidia from tropical forest soil
期刊论文
CRYPTOGAMIE MYCOLOGIE, 2021, 卷号: 42, 期号: 4, 页码: 39-61
作者:
Hurdeal,Vedprakash G.
;
Gentekaki,Eleni
;
Lee,Hyang B.
;
Jeewon,Rajesh
;
Hyde,Kevin D.
;
Tibpromma,Saowaluck
;
Mortimer,Peter E.
;
Xu,Jianchu
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浏览/下载：77/20
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提交时间：2022/04/02
Mucorales
polyphasic approach
phylogeny
soil
new species
GENUS ABSIDIA
DIVERSITY
MUCOROMYCOTA
REVISION
MYCOTA
AREA
TOOL
Introduction of Neolophiotrema xiaokongense gen. et sp. nov. to the poorly represented Anteagloniaceae (Pleosporales, Dothideomycetes)
期刊论文
PHYTOTAXA, 2021, 卷号: 482, 期号: 1, 页码: 25-35
作者:
Ren,Guang-Cong
;
Wanasinghe,Dhanushka N.
;
Monkai,Jutamart
;
Hyde,Kevin D.
;
Mortimer,Peter E.
;
Xu,Jianchu
;
Pang,Aimin
;
Gui,Heng
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浏览/下载：76/5
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提交时间：2022/04/02
2 new taxa
guttulate
phylogeny
saprobic
taxonomy
BAYESIAN PHYLOGENETIC INFERENCE
MULTIPLE SEQUENCE ALIGNMENT
YUNNAN PROVINCE
DIVERSITY
FUNGI
PROBABILITY
REAPPRAISAL
CHOICE
Multi-Gene Phylogeny and Morphology Reveal Haplohelminthosporium gen. nov. and Helminthosporiella gen. nov. Associated with Palms in Thailand and A Checklist for Helminthosporium Reported Worldwide
期刊论文
LIFE-BASEL, 2021, 卷号: 11, 期号: 5, 页码: 454
作者:
Konta,Sirinapa
;
Hyde,Kevin D.
;
Karunarathna,Samantha C.
;
Mapook,Ausana
;
Senwanna,Chanokned
;
Dauner,Lucas A. P.
;
Nanayakkara,Chandrika M.
;
Xu,Jianchu
;
Tibpromma,Saowaluck
;
Lumyong,Saisamorn
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浏览/下载：154/33
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提交时间：2022/04/02
4 new taxa
Massarinaceae
morphology
multi-genes
palm fungi
Thailand
MOLECULAR PHYLOGENY
YUNNAN PROVINCE
SIMILAR GENERA
FAM. NOV.
FUNGI
PLEOSPORALES
DNA
DIVERSITY
CHINA
MASSARINACEAE
Molecular phylogeny, biogeography and character evolution of the montane genus Incarvillea Juss. (Bignoniaceae)
期刊论文
PLANT DIVERSITY, 2021, 卷号: 43, 期号: 1, 页码: 1-14
作者:
Rana,Santosh Kumar
;
Luo,Dong
;
Rana,Hum Kala
;
Chen,Shaotian
;
Sun,Hang
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浏览/下载：106/10
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提交时间：2022/04/02
Biodiversity hotspots
Biogeography
Incarvillea
Molecular phylogeny
Phytools
Stochastic character mapping
HENGDUAN MOUNTAINS
PLANT DIVERSITY
EASTERN ASIA
MODEL
MIOCENE
CONSERVATION
DISPERSAL
INFERENCE
PLATEAU
LINEAGE
Uncovering the hidden taxonomic diversity of fungi in Oman
期刊论文
FUNGAL DIVERSITY, 2021, 卷号: 106, 期号: 1, 页码: 229-268
作者:
Maharachchikumbura,Sajeewa S. N.
;
Wanasinghe,Dhanushka N.
;
Cheewangkoon,Ratchadawan
;
Al-Sadi,Abdullah M.
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浏览/下载：79/19
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提交时间：2022/04/02
14 new taxa
Ascomycota
Basidiomycota
Desert
Dothideomycetes
Patellariales
Saprobes
