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cr uuu---uuuuu |
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231226s2024 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS-07-23-1369-RE
|2 doi
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|a pubmed25n1210.xml
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|a (NLM)37822099
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Qu, Kefei
|e verfasserin
|4 aut
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| 245 |
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|a Mutagenesis-Derived Resistance to Black Point in Wheat
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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| 500 |
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|a Date Completed 30.04.2024
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|a Date Revised 30.04.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Black point, a severe global wheat disease, necessitates deploying resistant cultivars for effective control. However, susceptibility remains prevalent among most wheat cultivars. Identifying new sources of resistance and understanding their mechanisms are crucial for breeding resistant cultivars. This study pinpointed black point resistance in an ethyl methane sulfonate (EMS)-mutagenized wheat population of Wanyuanbai 1 (WYB) and analyzed resistant mutants using RNA-Seq. The findings revealed the following: (i) wyb-18, among 10,008 EMS-mutagenized lines, exhibited robust resistance with significantly lower black point incidence under artificial Bipolaris sorokiniana inoculation in 2020 and 2021 (average incidence of 5.2% over 2 years), markedly reduced compared with WYB (50.9%). (ii) wyb-18 kernels displayed black point symptoms at 12 days after inoculation (dai), 3 days later than WYB. At 15 dai, wyb-18 kernels had isolated black spots, unlike WYB kernels, where the entire embryo turned black. (iii) wyb-18 showed heightened antioxidant enzyme activity, including peroxidase, catalase, and superoxide dismutase. (iv) Analysis of 543 differentially expressed genes between wyb-18 and WYB at 9 dai identified enrichment in the MAPK signaling pathway through KEGG analysis. Ten genes in this pathway exhibited upregulated expression, while one was downregulated in wyb-18. Among these genes, PR1, WRKY11, SAPK5, and TraesCS1A02G326800 (chitin recognition protein) consistently showed upregulation in wyb-18, making them potential candidates for black point resistance. These results offer valuable germplasm resources for breeding and novel insights into the mechanisms of black point resistance
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Triticum aestivum L.
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| 650 |
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|a black point
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|a resistance mechanism
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|a resistant mutant
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|a transcriptome analysis
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| 650 |
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|a Plant Proteins
|2 NLM
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| 700 |
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|a Yin, Zhao
|e verfasserin
|4 aut
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|a Gao, Chuang
|e verfasserin
|4 aut
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| 700 |
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|a Song, Gaili
|e verfasserin
|4 aut
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| 700 |
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|a Guo, Zhenfeng
|e verfasserin
|4 aut
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| 700 |
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|a Yin, Guihong
|e verfasserin
|4 aut
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| 700 |
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|a Tang, Jianwei
|e verfasserin
|4 aut
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| 700 |
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|a Yuan, Yuhao
|e verfasserin
|4 aut
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| 700 |
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|a Dong, Chunhao
|e verfasserin
|4 aut
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| 700 |
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|a Jiang, Yumei
|e verfasserin
|4 aut
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| 700 |
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|a Niu, Jishan
|e verfasserin
|4 aut
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| 700 |
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|a Li, Qiaoyun
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant disease
|d 1997
|g 108(2024), 4 vom: 01. Apr., Seite 899-907
|w (DE-627)NLM098181742
|x 0191-2917
|7 nnas
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| 773 |
1 |
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|g volume:108
|g year:2024
|g number:4
|g day:01
|g month:04
|g pages:899-907
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|u http://dx.doi.org/10.1094/PDIS-07-23-1369-RE
|3 Volltext
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