Enhancing Festuca chloroplast genome resources.

IF 2.7 3区生物学 Q2 PLANT SCIENCES

Journal of Plant Research Pub Date : 2025-05-27 DOI:10.1007/s10265-025-01649-1

Junying Liu, Pei Tian

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Abstract

Festuca L. is a perennial plant of the Poaceae family, known for its good palatability and strong tolerance. The characteristics of the chloroplast genomes of six native Festuca species on the Qinghai-Tibet Plateau were analyzed, including four F. sinensis germplasms from Gansu (1), Qinghai (57), Sichuan (111), and Tibet (10-85); F. rubra subsp. arctica; F. kryloviana; F. nitidula; F. valesiaca subsp. sulcata; and F. elata. The chloroplast genome consists of 127 genes, including 4 ribosomal RNA (rRNA) genes, 38 transfer RNA (tRNA) genes, and 83 protein-coding genes. The number of identified SSRs based on 16 shared optimal ciphers of the four F. sinensis germplasms were 48, 50, 49, and 38, respectively, with the majority being single nucleotide repeat sequences. The phylogenetic tree shows that F. nitidula, F. elata, and one germplasm of F. sinensis from Tibet are grouped into the same clade, while three germplasms of F. sinensis from Gansu, Qinghai, and Sichuan are grouped into another clade. F. valesiaca subsp. sulcata, F. ovina, and F. brevipila are grouped into the same clade. F. rubra subsp. arctica and F. rubra are clustered into one branch. This study clarifies the taxonomy of F. sinensis within the genus, providing a reference for subsequent research on the genetic diversity, genetic structure, and phylogeny of Festuca plants.

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加强羊茅叶绿体基因组资源。

羊茅是禾本科多年生植物，具有适口性好、耐受性强等特点。分析了青藏高原6个乡土羊茅属植物的叶绿体基因组特征，包括来自甘肃(1)、青海（57）、四川（111）和西藏（10-85）的4个羊茅属植物种质；黄花属；北极蛤属;f . kryloviana;f . nitidula;缬草属亚种sulcata;和凤仙花。叶绿体基因组由127个基因组成，包括4个核糖体RNA （rRNA）基因、38个转移RNA （tRNA）基因和83个蛋白质编码基因。基于16个共享最优密码的ssr序列分别为48个、50个、49个和38个，以单核苷酸重复序列居多。系统发育树的结果表明，来自西藏的牛乳F. nitidula、elata F. elata和1个中华乳F. sinensis种质归为同一个分支，而来自甘肃、青海和四川的中华乳F. sinensis种质归为另一个分支。缬草属亚种短枝草、短枝草和短枝草被归为同一枝。黄花属；arctica和F. rubra聚集成一个分支。本研究明确了F. sinensis在属内的分类，为后续研究羊茅属植物的遗传多样性、遗传结构和系统发育提供参考。

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来源期刊

Journal of Plant Research 生物-植物科学

CiteScore

5.40

自引率

3.60%

发文量

审稿时长

1 months

期刊介绍： The Journal of Plant Research is an international publication that gathers and disseminates fundamental knowledge in all areas of plant sciences. Coverage extends to every corner of the field, including such topics as evolutionary biology, phylogeography, phylogeny, taxonomy, genetics, ecology, morphology, physiology, developmental biology, cell biology, molecular biology, biochemistry, biophysics, bioinformatics, and systems biology. The journal presents full-length research articles that describe original and fundamental findings of significance that contribute to understanding of plants, as well as shorter communications reporting significant new findings, technical notes on new methodology, and invited review articles.