Evidence map›Paper›PMID 33167867›Full record

ArticleBMC genomics2020

Temporal transcriptomic differences between tolerant and susceptible genotypes contribute to rice drought tolerance.

Hui Xia, Xiaosong Ma, Kai Xu, Lei Wang, Hongyan Liu, Liang Chen, Lijun Luo

Abstract read
In one paragraph

Article in BMC genomics, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

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10citing papers in PubMed
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1 · What the graph read from it

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3 · Its place in the literature

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10 citing papers in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

7 authors.

Hui XiaShanghai Agrobiological Gene Center, Shanghai, China. hxia@sagc.org.cn.ORCID http://orcid.org/0000-0003-2446-5171
Xiaosong MaShanghai Agrobiological Gene Center, Shanghai, China.
Kai XuShanghai Agrobiological Gene Center, Shanghai, China.
Lei WangShanghai Agrobiological Gene Center, Shanghai, China.
Hongyan LiuShanghai Agrobiological Gene Center, Shanghai, China.
Liang ChenShanghai Agrobiological Gene Center, Shanghai, China.
Lijun LuoShanghai Agrobiological Gene Center, Shanghai, China. lijun@sagc.org.cn.

Funding

Shanghai Agriculture Applied Technology Development Program, China 2017-02-08-00-08-F00071Shanghai Agriculture Applied Technology Development Program, China G2016060107
6 · The paper itself

Abstract

backgroundDrought-tolerance ensures a crop to maintain life activities and protect cell from damages under dehydration. It refers to diverse mechanisms temporally activated when the crop adapts to drought. However, knowledge about the temporal dynamics of rice transcriptome under drought is limited.

resultsHere, we investigated temporal transcriptomic dynamics in 12 rice genotypes, which varied in drought tolerance (DT), under a naturally occurred drought in fields. The tolerant genotypes possess less differentially expressed genes (DEGs) while they have higher proportions of upregulated DEGs. Tolerant and susceptible genotypes have great differences in temporally activated biological processes (BPs) during the drought period and at the recovery stage based on their DEGs. The DT-featured BPs, which are activated specially (e.g. raffinose, fucose, and trehalose metabolic processes, etc.) or earlier in the tolerant genotypes (e.g. protein and histone deacetylation, protein peptidyl-prolyl isomerization, transcriptional attenuation, ferric iron transport, etc.) shall contribute to DT. Meanwhile, the tolerant genotypes and the susceptible genotypes also present great differences in photosynthesis and cross-talks among phytohormones under drought. A certain transcriptomic tradeoff between DT and productivity is observed. Tolerant genotypes have a better balance between DT and productivity under drought by activating drought-responsive genes appropriately. Twenty hub genes in the gene coexpression network, which are correlated with DT but without potential penalties in productivity, are recommended as good candidates for DT.

conclusionsFindings of this study provide us informative cues about rice temporal transcriptomic dynamics under drought and strengthen our system-level understandings in rice DT.

Indexed as

OryzaDroughtsGene Expression ProfilingGene Expression Regulation, PlantGenotypeTranscriptomeDrought toleranceOryza sativaRNA-sequencingTranscriptomic tradeoff

Identifiers

PMID33167867
PMCPMC7654621

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.