PHYLOGENETIC POSITION OF THE ENIGMATIC FERN GENUS WEATHERBYA (POLYPODIACEAE) REVISITED: EVIDENCE FROM CHLOROPLAST AND NUCLEAR GENE REGIONS AND MORPHOLOGICAL DATA.
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| Title: | PHYLOGENETIC POSITION OF THE ENIGMATIC FERN GENUS WEATHERBYA (POLYPODIACEAE) REVISITED: EVIDENCE FROM CHLOROPLAST AND NUCLEAR GENE REGIONS AND MORPHOLOGICAL DATA. |
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| Authors: | Wei, Xue-Ping1,2, Wei, Ran1, Zhao, Cun-Feng1,2, Zhang, Hong-Rui1,2, Zhang, Xian-Chun1,3 zhangxc@ibcas.ac.cn |
| Source: | International Journal of Plant Sciences. Jul/Aug2017, Vol. 178 Issue 6, p450-464. 15p. |
| Subject Terms: | Taxonomy, Phylogeny, Genes, Epidermis, Chloroplasts |
| Abstract: | Premise of research: Weatherbya is a small genus of subfamily Microsoroideae (Polypodiaceae) with controversial phylogenetic placements. In this study we aim to test the phylogenetic hypotheses about Weatherbya utilizing chloroplast and nuclear genes from an extensive generic sampling of Microsoroideae. Methodology: Phylogenetic analyses of DNA sequences from four chloroplast DNA markers (rbcL, rbcLatpB, trnL-F, and rps41rps4-trnS) of 13 genera (Phymatosorus was treated as a separate genus) in Microsoroideae and a nuclear gene (LEAFY) of Weatherbya and four related genera were conducted. Morphological evidences including characters of leaf epidermis and rhizome scales were described in Weatherbya and the mostly related genera. Pivotal results: Results of the phylogenetic analyses of both chloroplast (except rps41rps4-trnS) and nuclear genes strongly support Weatherbya embedded in Lepisorus. The chloroplast rps4 gene includes internal stop codons in many taxa of Microsoroideae, and this gene has been reported under selection. Conclusions: Phylogenetic analyses strongly support the inclusion of Weatherbya in Lepisorus rather than Lemmaphyllum, and their close relationship is supported by similar morphology of rhizome scales and leaf epidermis. [ABSTRACT FROM AUTHOR] |
| Copyright of International Journal of Plant Sciences is the property of University of Chicago Press and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
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| Items | – Name: Title Label: Title Group: Ti Data: PHYLOGENETIC POSITION OF THE ENIGMATIC FERN GENUS WEATHERBYA (POLYPODIACEAE) REVISITED: EVIDENCE FROM CHLOROPLAST AND NUCLEAR GENE REGIONS AND MORPHOLOGICAL DATA. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Wei%2C+Xue-Ping%22">Wei, Xue-Ping</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Wei%2C+Ran%22">Wei, Ran</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Zhao%2C+Cun-Feng%22">Zhao, Cun-Feng</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Hong-Rui%22">Zhang, Hong-Rui</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Xian-Chun%22">Zhang, Xian-Chun</searchLink><relatesTo>1,3</relatesTo><i> zhangxc@ibcas.ac.cn</i> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Plant+Sciences%22">International Journal of Plant Sciences</searchLink>. Jul/Aug2017, Vol. 178 Issue 6, p450-464. 15p. – Name: Subject Label: Subject Terms Group: Su Data: <searchLink fieldCode="DE" term="%22Taxonomy%22">Taxonomy</searchLink><br /><searchLink fieldCode="DE" term="%22Phylogeny%22">Phylogeny</searchLink><br /><searchLink fieldCode="DE" term="%22Genes%22">Genes</searchLink><br /><searchLink fieldCode="DE" term="%22Epidermis%22">Epidermis</searchLink><br /><searchLink fieldCode="DE" term="%22Chloroplasts%22">Chloroplasts</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: Premise of research: Weatherbya is a small genus of subfamily Microsoroideae (Polypodiaceae) with controversial phylogenetic placements. In this study we aim to test the phylogenetic hypotheses about Weatherbya utilizing chloroplast and nuclear genes from an extensive generic sampling of Microsoroideae. Methodology: Phylogenetic analyses of DNA sequences from four chloroplast DNA markers (rbcL, rbcLatpB, trnL-F, and rps41rps4-trnS) of 13 genera (Phymatosorus was treated as a separate genus) in Microsoroideae and a nuclear gene (LEAFY) of Weatherbya and four related genera were conducted. Morphological evidences including characters of leaf epidermis and rhizome scales were described in Weatherbya and the mostly related genera. Pivotal results: Results of the phylogenetic analyses of both chloroplast (except rps41rps4-trnS) and nuclear genes strongly support Weatherbya embedded in Lepisorus. The chloroplast rps4 gene includes internal stop codons in many taxa of Microsoroideae, and this gene has been reported under selection. Conclusions: Phylogenetic analyses strongly support the inclusion of Weatherbya in Lepisorus rather than Lemmaphyllum, and their close relationship is supported by similar morphology of rhizome scales and leaf epidermis. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of International Journal of Plant Sciences is the property of University of Chicago Press and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1086/692088 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 15 StartPage: 450 Subjects: – SubjectFull: Taxonomy Type: general – SubjectFull: Phylogeny Type: general – SubjectFull: Genes Type: general – SubjectFull: Epidermis Type: general – SubjectFull: Chloroplasts Type: general Titles: – TitleFull: PHYLOGENETIC POSITION OF THE ENIGMATIC FERN GENUS WEATHERBYA (POLYPODIACEAE) REVISITED: EVIDENCE FROM CHLOROPLAST AND NUCLEAR GENE REGIONS AND MORPHOLOGICAL DATA. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Wei, Xue-Ping – PersonEntity: Name: NameFull: Wei, Ran – PersonEntity: Name: NameFull: Zhao, Cun-Feng – PersonEntity: Name: NameFull: Zhang, Hong-Rui – PersonEntity: Name: NameFull: Zhang, Xian-Chun IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 07 Text: Jul/Aug2017 Type: published Y: 2017 Identifiers: – Type: issn-print Value: 10585893 Numbering: – Type: volume Value: 178 – Type: issue Value: 6 Titles: – TitleFull: International Journal of Plant Sciences Type: main |
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