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光温敏核不育水稻及其近缘种育性转换相关 microRNA 的系统进化分析

Phylogenomic Analysis of micro-RNA Involved in Juvenile to Flowering-Stage Transition in Photophilic Rice and Its Sister Species.

机构信息

ICAR-National Institute for Plant Biotechnology, Pusa Campus, New Delhi 110012, India.

ICAR-National Rice Research Institute, Cuttack 753006, India.

出版信息

Cells. 2023 May 12;12(10):1370. doi: 10.3390/cells12101370.

DOI:10.3390/cells12101370
PMID:37408207
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10216681/
Abstract

Vegetative to reproductive phase transition in phototropic plants is an important developmental process and is sequentially mediated by the expression of micro-RNA . To obtain insight into the evolution, adaptation, and function of in photophilic rice and its wild relatives, we analyzed the genescape of a 100 kb segment harboring homologs from 11 genomes. The expression analysis of revealed its incremental accumulation from the 2-leaf to 10-leaf stage, with maximum expression coinciding with the flag-leaf stage in rice. Nonetheless, the microsynteny analysis of s revealed collinearity within the genus but a loss of synteny was observed in (i) A in (AA) and (AA); (ii) B in (FF); and (iii) C in O. (BB). Phylogenetic analysis of precursor sequences/region of revealed a distinct tri-modal clade of evolution. The genomic information generated in this investigation through comparative analysis of suggests mature s to have evolved in a disruptive and conservative mode amongst all species with a common origin of descent. Further, the phylogenomic delineation provided an insight into the adaptation and molecular evolution of to changing environmental conditions (biotic and abiotic) of phototropic rice through natural selection and the opportunity to harness untapped genomic regions from rice wild relatives (RWR).

摘要

向光性植物营养生长到生殖生长的转变是一个重要的发育过程，依次受到 micro-RNA 的表达调控。为了深入了解光亲和水稻及其野生近缘种中的 microRNA 的进化、适应和功能，我们分析了包含 11 个基因组中 100kb 片段的基因图谱。对 的表达分析表明，它从 2 叶期到 10 叶期逐渐积累，在水稻中最大表达量与旗叶期一致。然而，对 的微同线性分析表明，在属内具有共线性，但在（i）AA 中的 A 和 AA 中的 A；（ii）FF 中的 B；以及（iii）BB 中的 C 中失去了同线性。对 前体序列/区的系统发育分析显示出明显的三模态进化分支。通过对 进行比较分析，本研究中生成的基因组信息表明，成熟的 microRNA 在所有 物种中以一种具有共同起源的破坏和保守模式进化。此外，系统基因组学的划分提供了一个深入了解光亲和水稻对生物和非生物等环境变化的适应和分子进化的视角，这是通过自然选择和利用水稻野生近缘种（RWR）中未开发基因组区域的机会实现的。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2a1/10216681/19638beeae55/cells-12-01370-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2a1/10216681/452c4e56a37c/cells-12-01370-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2a1/10216681/65a6b50e2759/cells-12-01370-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2a1/10216681/f59355b32cc8/cells-12-01370-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2a1/10216681/87d6fe41800e/cells-12-01370-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2a1/10216681/0063dd66f2f2/cells-12-01370-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2a1/10216681/b3c47a727cc1/cells-12-01370-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2a1/10216681/98679d187d5a/cells-12-01370-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2a1/10216681/c441c121e1e1/cells-12-01370-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2a1/10216681/19638beeae55/cells-12-01370-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2a1/10216681/452c4e56a37c/cells-12-01370-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2a1/10216681/65a6b50e2759/cells-12-01370-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2a1/10216681/f59355b32cc8/cells-12-01370-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2a1/10216681/87d6fe41800e/cells-12-01370-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2a1/10216681/0063dd66f2f2/cells-12-01370-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2a1/10216681/b3c47a727cc1/cells-12-01370-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2a1/10216681/98679d187d5a/cells-12-01370-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2a1/10216681/c441c121e1e1/cells-12-01370-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2a1/10216681/19638beeae55/cells-12-01370-g009.jpg

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