Chloroplast Genome Analysis to Detect Transition Link between Bryophytes and Pteridophytes: A Bioinformatics Approach

  • Bryophytes (mosses, liverworts and hornworts) are the most basal lineages among extant land plants. However, there is controversy regarding their monophyletic or paraphyletic origin. Moreover, the most basal group of bryophytes also remains questionable. Due to this it is a matter of debate which lineage of bryophytes acts as transition link between bryophytes and pteridophytes. In order to resolve these issues we conducted a bioinformatics analysis on available chloroplast genomes of 1 green alga, 5 bryophytes, 4 pteridophytes, and 6 gymnosperms. Our study is based on multiple genome analysis through whole proteome comparison. The higher number of orthologous identified in Anthoceros (a hornwort), in comparison to other bryophytes considered, against all pteridophytes strongly support hornworts as transition link between bryophytes and pteridophytes.

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Author:Asheesh Shanker, Vinay Sharma
Parent Title (German):121
Series (Serial Number):Archive for Bryology (121)
Publisher:Universität Bonn, Arbeitsgruppe Bryologie
Place of publication:Bonn
Document Type:Part of Periodical
Year of Completion:2012
Year of first Publication:2012
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2014/12/18
Tag:bryophytes; green alga; gymnosperms; pteridophytes
Page Number:8
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 58 Pflanzen (Botanik) / 580 Pflanzen (Botanik)
Sammlungen:Sammlung Biologie / Sondersammelgebiets-Volltexte
Licence (German):License LogoDeutsches Urheberrecht