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细胞核与细胞质协同适应的破坏对拟南芥硝酸盐饥饿分子反应的影响

The Consequences of a Disruption in Cyto-Nuclear Coadaptation on the Molecular Response to a Nitrate Starvation in Arabidopsis.

作者信息

Chardon Fabien, Cueff Gwendal, Delannoy Etienne, Aubé Fabien, Lornac Aurélia, Bedu Magali, Gilard Françoise, Pateyron Stéphanie, Rogniaux Hélène, Gargaros Audrey, Mireau Hakim, Rajjou Loïc, Martin-Magniette Marie-Laure, Budar Françoise

机构信息

Institut Jean-Pierre Bourgin, INRAE, AgroParisTech, Université Paris-Saclay, 78000 Versailles, France.

Université Paris-Saclay, CNRS, INRAE, Institute of Plant Sciences Paris-Saclay (IPS2), Univ Evry, 91405 Orsay, France.

出版信息

Plants (Basel). 2020 May 1;9(5):573. doi: 10.3390/plants9050573.

DOI:10.3390/plants9050573
PMID:32369924
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7285260/
Abstract

Mitochondria and chloroplasts are important actors in the plant nutritional efficiency. So, it could be expected that a disruption of the coadaptation between nuclear and organellar genomes impact plant response to nutrient stresses. We addressed this issue using two accessions, namely 1 and , and their reciprocal cytolines possessing the nuclear genome from one parent and the organellar genomes of the other one. We measured gene expression, and quantified proteins and metabolites under N starvation and non-limiting conditions. We observed a typical response to N starvation at the phenotype and molecular levels. The phenotypical response to N starvation was similar in the cytolines compared to the parents. However, we observed an effect of the disruption of genomic coadaptation at the molecular levels, distinct from the previously described responses to organellar stresses. Strikingly, genes differentially expressed in cytolines compared to parents were mainly repressed in the cytolines. These genes encoded more mitochondrial and nuclear proteins than randomly expected, while N starvation responsive ones were enriched in genes for chloroplast and nuclear proteins. In cytolines, the non-coadapted cytonuclear genomic combination tends to modulate the response to N starvation observed in the parental lines on various biological processes.

摘要

线粒体和叶绿体是植物营养效率的重要参与者。因此，可以预期核基因组与细胞器基因组之间的共适应破坏会影响植物对养分胁迫的反应。我们使用两个材料，即材料1和材料2，以及它们的 reciprocal 细胞系来解决这个问题，这些细胞系拥有一个亲本的核基因组和另一个亲本的细胞器基因组。我们在氮饥饿和非限制条件下测量了基因表达，并对蛋白质和代谢物进行了定量。我们在表型和分子水平上观察到了对氮饥饿的典型反应。与亲本相比，细胞系对氮饥饿的表型反应相似。然而，我们在分子水平上观察到了基因组共适应破坏的影响，这与先前描述的对细胞器胁迫的反应不同。令人惊讶的是，与亲本相比，细胞系中差异表达的基因在细胞系中主要被抑制。这些基因编码的线粒体和核蛋白比随机预期的更多，而氮饥饿响应基因则富集在叶绿体和核蛋白的基因中。在细胞系中，不适应的细胞核基因组组合倾向于调节亲本系中观察到的对氮饥饿的各种生物学过程的反应。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d7e/7285260/b69723b3b98f/plants-09-00573-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d7e/7285260/5de958d0e5ff/plants-09-00573-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d7e/7285260/6642c2a801c4/plants-09-00573-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d7e/7285260/d4b00ed04a8b/plants-09-00573-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d7e/7285260/8dafcfaebdcc/plants-09-00573-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d7e/7285260/c1d7e53778fe/plants-09-00573-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d7e/7285260/8a855cdd40f5/plants-09-00573-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d7e/7285260/8348cd9344df/plants-09-00573-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d7e/7285260/774b91249081/plants-09-00573-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d7e/7285260/dff3258b0932/plants-09-00573-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d7e/7285260/b69723b3b98f/plants-09-00573-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d7e/7285260/5de958d0e5ff/plants-09-00573-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d7e/7285260/6642c2a801c4/plants-09-00573-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d7e/7285260/d4b00ed04a8b/plants-09-00573-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d7e/7285260/8dafcfaebdcc/plants-09-00573-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d7e/7285260/c1d7e53778fe/plants-09-00573-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d7e/7285260/8a855cdd40f5/plants-09-00573-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d7e/7285260/8348cd9344df/plants-09-00573-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d7e/7285260/774b91249081/plants-09-00573-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d7e/7285260/dff3258b0932/plants-09-00573-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d7e/7285260/b69723b3b98f/plants-09-00573-g010.jpg

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本文引用的文献

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The composition and turnover of the Arabidopsis thaliana 80S cytosolic ribosome.拟南芥 80S 胞质核糖体的组成和周转率。
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ANAC017 Coordinates Organellar Functions and Stress Responses by Reprogramming Retrograde Signaling.ANAC017 通过重编程逆行信号协调细胞器功能和应激反应。
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