The Complete Plastid Genomes of Seven Sargassaceae Species and Their Phylogenetic Analysis

Sargassum is one of the most important genera of the family Sargassaceae in brown algae and is used to produce carrageenan, mannitol, iodine, and other economic substances. Here, seven complete plastid genomes of Sargassum ilicifolium var. conduplicatum, S. graminifolium, S. phyllocystum, S. muticum...

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Autores principales:	Ruoran Li, Xuli Jia, Jing Zhang, Shangang Jia, Tao Liu, Jiangyong Qu, Xumin Wang
Formato:	article
Lenguaje:	EN
Publicado:	Frontiers Media S.A. 2021
Materias:	brown algae co-linear analysis comparative analysis phylogenetic analysis plastid genome Sargassaceae Plant culture SB1-1110
Acceso en línea:	https://doaj.org/article/c6b2bae213dc4670886196d21603cb4f
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spelling	oai:doaj.org-article:c6b2bae213dc4670886196d21603cb4f2021-11-05T11:18:55ZThe Complete Plastid Genomes of Seven Sargassaceae Species and Their Phylogenetic Analysis1664-462X10.3389/fpls.2021.747036https://doaj.org/article/c6b2bae213dc4670886196d21603cb4f2021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fpls.2021.747036/fullhttps://doaj.org/toc/1664-462XSargassum is one of the most important genera of the family Sargassaceae in brown algae and is used to produce carrageenan, mannitol, iodine, and other economic substances. Here, seven complete plastid genomes of Sargassum ilicifolium var. conduplicatum, S. graminifolium, S. phyllocystum, S. muticum, S. feldmannii, S. mcclurei, and S. henslowianum were assembled using next-generation sequencing. The sizes of the seven circular genomes ranged from 124,258 to 124,563 bp, with two inverted regions and the same set of plastid genes, including 139 protein-coding genes (PCGs), 28 transfer (t)RNAs, and 6 ribosomal (r)RNAs. Compared with the other five available plastid genomes of Fucales, 136 PCGs were conserved, with two common ones shared with Coccophora langsdorfii, and one with S. fusiforme and S. horneri. The co-linear analysis identified two inversions of trnC(gca) and trnN(gtt) in ten Sargassum species, against S. horneri and C. langsdorfii. The phylogenetic analysis based on the plastid genomes of 55 brown algae (Phaeophyceae) showed four clades, whose ancient ancestor lived around 201.42 million years ago (Mya), and the internal evolutionary branches in Fucales started to be formed 92.52 Mya, while Sargassum species were divided into two subclades 14.33 Mya. Our novel plastid genomes provided evidence for the speciation of brown algae and plastid genomic evolution events.Ruoran LiXuli JiaJing ZhangShangang JiaTao LiuTao LiuJiangyong QuXumin WangFrontiers Media S.A.articlebrown algaeco-linear analysiscomparative analysisphylogenetic analysisplastid genomeSargassaceaePlant cultureSB1-1110ENFrontiers in Plant Science, Vol 12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	brown algae co-linear analysis comparative analysis phylogenetic analysis plastid genome Sargassaceae Plant culture SB1-1110
spellingShingle	brown algae co-linear analysis comparative analysis phylogenetic analysis plastid genome Sargassaceae Plant culture SB1-1110 Ruoran Li Xuli Jia Jing Zhang Shangang Jia Tao Liu Tao Liu Jiangyong Qu Xumin Wang The Complete Plastid Genomes of Seven Sargassaceae Species and Their Phylogenetic Analysis
description	Sargassum is one of the most important genera of the family Sargassaceae in brown algae and is used to produce carrageenan, mannitol, iodine, and other economic substances. Here, seven complete plastid genomes of Sargassum ilicifolium var. conduplicatum, S. graminifolium, S. phyllocystum, S. muticum, S. feldmannii, S. mcclurei, and S. henslowianum were assembled using next-generation sequencing. The sizes of the seven circular genomes ranged from 124,258 to 124,563 bp, with two inverted regions and the same set of plastid genes, including 139 protein-coding genes (PCGs), 28 transfer (t)RNAs, and 6 ribosomal (r)RNAs. Compared with the other five available plastid genomes of Fucales, 136 PCGs were conserved, with two common ones shared with Coccophora langsdorfii, and one with S. fusiforme and S. horneri. The co-linear analysis identified two inversions of trnC(gca) and trnN(gtt) in ten Sargassum species, against S. horneri and C. langsdorfii. The phylogenetic analysis based on the plastid genomes of 55 brown algae (Phaeophyceae) showed four clades, whose ancient ancestor lived around 201.42 million years ago (Mya), and the internal evolutionary branches in Fucales started to be formed 92.52 Mya, while Sargassum species were divided into two subclades 14.33 Mya. Our novel plastid genomes provided evidence for the speciation of brown algae and plastid genomic evolution events.
format	article
author	Ruoran Li Xuli Jia Jing Zhang Shangang Jia Tao Liu Tao Liu Jiangyong Qu Xumin Wang
author_facet	Ruoran Li Xuli Jia Jing Zhang Shangang Jia Tao Liu Tao Liu Jiangyong Qu Xumin Wang
author_sort	Ruoran Li
title	The Complete Plastid Genomes of Seven Sargassaceae Species and Their Phylogenetic Analysis
title_short	The Complete Plastid Genomes of Seven Sargassaceae Species and Their Phylogenetic Analysis
title_full	The Complete Plastid Genomes of Seven Sargassaceae Species and Their Phylogenetic Analysis
title_fullStr	The Complete Plastid Genomes of Seven Sargassaceae Species and Their Phylogenetic Analysis
title_full_unstemmed	The Complete Plastid Genomes of Seven Sargassaceae Species and Their Phylogenetic Analysis
title_sort	complete plastid genomes of seven sargassaceae species and their phylogenetic analysis
publisher	Frontiers Media S.A.
publishDate	2021
url	https://doaj.org/article/c6b2bae213dc4670886196d21603cb4f
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The Complete Plastid Genomes of Seven Sargassaceae Species and Their Phylogenetic Analysis

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