地芽孢杆菌NK3-4调控水稻生长相关和抗逆性相关基因的转录。

IF 2.3 3区 生物学 Q3 BIOTECHNOLOGY & APPLIED MICROBIOLOGY
Genome Pub Date : 2023-06-01 DOI:10.1139/gen-2022-0072
Wen Zhi Liu, Ze Yu Li, Cheng Liu, Xi Tao Yu, Wen Qing Yu, Peng Li
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引用次数: 0

摘要

地芽孢杆菌NK3-4是一种促进植物生长的根瘤菌。本研究确定了NK3-4对水稻生长和基因转录的影响。结果表明,NK3-4浸种处理和发芽前种子处理均能促进水稻生长,其中喷施NK3-4可使水稻根系数量和根系长度分别增加34.2%和34.1%。此外,NK3-4诱导带有基因本体(GO)术语注释的基因的差异转录;上调基因数量是下调基因数量的4.38倍。NK3-4处理诱导了1794个氧化石墨烯功能基团的基因差异转录,其中1531个功能基团含有上调基因。NK3-4上调的特定生长相关基因参与生长素、激素生物合成、细胞组分生物发生、根系发育等生物过程。此外,抗逆性相关基因上调,部分基因编码WRKYs、npk1相关蛋白激酶、npr1样4、cam样蛋白、MYBs、ERFs、TIFYs、NACs、EL5s、PR1s、PR2、PR8、pod和PAD4。综上所述,这些发现表明NK3-4可能通过调控基因表达来促进植物生长和增强抗逆性,是调控水稻生长和抗逆性的潜在有用微生物。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Paenibacillus terrae NK3-4 regulates the transcription of growth-related and stress resistance-related genes in rice.

Paenibacillus terrae NK3-4 is a plant growth-promoting rhizobacterium. In this study, the effects of NK3-4 on rice growth and gene transcription were determined. The results indicated that a seed soaking treatment and a pre-germination seed treatment using NK3-4 promoted rice growth, especially spraying rice seedlings with NK3-4 increased the root number and root length by 34.2% and 34.1%, respectively. Moreover, NK3-4 induced the differential transcription of genes annotated with gene ontology (GO) terms; the number of up-regulated genes was 4.38-times higher than the number of down-regulated genes. The NK3-4 treatment induced the differential transcription of genes in 1794 GO functional groups, with 1531 functional groups containing up-regulated genes. Specific growth-related genes up-regulated by NK3-4 are involved in biological processes, including responses to auxin, hormone biosynthesis, cellular component biogenesis, root system development, and other functions. Furthermore, stress resistance-related genes were up-regulated, some of which encode WRKYs, NPK1-related protein kinase, NPR1-like 4, CaM-like proteins, MYBs, ERFs, TIFYs, NACs, EL5s, PR1s, PR2, PR8, PODs, and PAD4. Considered together, these findings imply that NK3-4 may promote plant growth and enhance stress resistance by regulating gene expression, making it a potentially useful microbe for regulating rice growth and stress resistance.

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来源期刊
Genome
Genome 生物-生物工程与应用微生物
CiteScore
5.30
自引率
3.20%
发文量
42
审稿时长
6-12 weeks
期刊介绍: Genome is a monthly journal, established in 1959, that publishes original research articles, reviews, mini-reviews, current opinions, and commentaries. Areas of interest include general genetics and genomics, cytogenetics, molecular and evolutionary genetics, developmental genetics, population genetics, phylogenomics, molecular identification, as well as emerging areas such as ecological, comparative, and functional genomics.
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