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Type: Artigo de periódico
Title: Comparative analysis of the complete plastid genome sequence of the red alga Gracilaria tenuistipitata var. liui provides insights into the evolution of rhodoplasts and their relationship to other plastids
Author: Hagopian, JC
Reis, M
Kitajima, JP
Bhattacharya, D
de Oliveira, MC
Abstract: We sequenced to completion the circular plastid genome of the red alga Gracilaria tenuistipitata var. liui. This is the first plastid genome sequence from the subclass Florideophycidae (Rhodophyta). The genome is composed of 183,883 by and contains 238 predicted genes, including a single copy of the ribosomal RNA operon. Comparisons with the plastid genome of Porphyra pupurea reveal strong conservation of gene content and order, but we found major genomic rearrangements and the presence of coding regions that are specific to Gracilaria. Phylogenetic analysis of a data set of 41 concatenated proteins from 23 plastid and two cyanobacterial genomes support red algal plastid monophyly and a specific evolutionary relationship between the Florideophycidae and the Bangiales. Gracilaria maintains a surprisingly ancient gene content in its plastid genome and, together with other Rhodophyta, contains the most complete repertoire of plastid genes known in photosynthetic eukaryotes.
Subject: Gracilaria tenuistipitata
molecular phylogeny
plastid evolution
plastid genome
red alga
Country: EUA
Editor: Springer
Citation: Journal Of Molecular Evolution. Springer, v. 59, n. 4, n. 464, n. 477, 2004.
Rights: fechado
Identifier DOI: 10.1007/s00239-004-2638-3
Date Issue: 2004
Appears in Collections:Unicamp - Artigos e Outros Documentos

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