Genomic insights into Paspalum vaginatum: Mitochondrial and chloroplast genome mapping, evolutionary insights, and organelle-nucleus communication.

IF 3.4 2区生物学 Q2 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

Genomics Pub Date : 2024-12-11 DOI:10.1016/j.ygeno.2024.110975

Ling Pan, Lirong Cai, Yang Lu, Junming Zhao, Xuebing Yan, Xiaoshan Wang

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Abstract

Paspalum vaginatum, valued for its salt tolerance, is a vital species in the turfgrass and agricultural industries. Despite its significance, there are still gaps in its genetic composition, particularly in the mitochondrial (mtDNA) and chloroplast (cpDNA) genomes. Our study aimed to fill these knowledge gaps by investigating the evolutionary relationships within the paspalum family and examining the functions of organelle-encoded genes as well as the critical role of reactive oxygen species (ROS) in organelle-nucleus communication. By genome sequencing, assembly, and annotation, we determined 504,515 bp of P. vaginatum mtDNA and 140,483 bp of its cpDNA. Comparative analyses with other Paspalum species and major crops highlight the intricate evolutionary dynamics and varying levels of genetic relatedness observed across different organelle genomes. The complex response of organelle gene expression to salt stress in this study will aid in understanding the molecular mechanisms and evolutionary trajectories of P. vaginatum organelle genomes.

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对覆盆子基因组的深入研究：线粒体和叶绿体基因组图谱、进化见解和细胞器-细胞核交流。

覆盆子（Paspalum vaginatum）因其耐盐性而受到重视，是草坪和农业领域的重要物种。尽管其重要性不言而喻，但其基因组成，尤其是线粒体（mtDNA）和叶绿体（cpDNA）基因组仍然存在空白。我们的研究旨在通过调查覆盆子家族内部的进化关系、研究细胞器编码基因的功能以及活性氧（ROS）在细胞器-细胞核交流中的关键作用来填补这些知识空白。通过基因组测序、组装和注释，我们确定了 504,515 bp 的 P. vaginatum mtDNA 和 140,483 bp 的 cpDNA。与其他覆盆子物种和主要农作物的比较分析凸显了在不同细胞器基因组中观察到的错综复杂的进化动态和不同程度的遗传相关性。本研究中细胞器基因表达对盐胁迫的复杂反应将有助于了解海带细胞器基因组的分子机制和进化轨迹。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Genomics 生物-生物工程与应用微生物

CiteScore

9.60

自引率

2.30%

发文量

260

审稿时长

60 days

期刊介绍： Genomics is a forum for describing the development of genome-scale technologies and their application to all areas of biological investigation. As a journal that has evolved with the field that carries its name, Genomics focuses on the development and application of cutting-edge methods, addressing fundamental questions with potential interest to a wide audience. Our aim is to publish the highest quality research and to provide authors with rapid, fair and accurate review and publication of manuscripts falling within our scope.