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Differential Proteomic Analysis of Potato in Response to the Pathotoxin of Common Scab
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Ze Pang, Guokui Tian, Haiyan Wang, Fengyun Li, Yang Pan, Mingxue Li, Lichun Wang
Crops | 2026, 42(2) : 30 - 38
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Crops | 2026, 42(2): 30-38
Differential Proteomic Analysis of Potato in Response to the Pathotoxin of Common Scab
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Ze Pang, Guokui Tian, Haiyan Wang, Fengyun Li, Yang Pan, Mingxue Li, Lichun Wang
Affiliations
  • Keshan Branch of Heilongjiang Academy of Agricultural Sciences / Key Laboratory of Potato Biology and Genetic Breeding of the Ministry of Agriculture and Rural Affairs / Heilongjiang Potato Germplasm Resources and Genetic Improvement Engineering Technology Center, Qiqihar 161000, Heilongjiang, China
Published: 2026-04-15 doi: 10.16035/j.issn.1001-7283.2026.02.004
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To elucidate the proteomic response mechanism of potato to a pathogenic toxin Thaxtomin A (TA), causing common scab, this study was conducted using the potato cultivar Kexin 19 as the experimental material. Tandem Mass Tag (TMT)-based quantitative proteomics technology was employed to analyze the differential proteomes of potato leaves treated with the toxin and a control group. A total of 130 differentially expressed proteins (DEPs) were identified, including 80 up-regulated and 50 down-regulated. GO and KEGG enrichment analysis showed that the DEPs were significantly enriched in biological processes such as defense response, plant MAPK signaling pathway, S-adenosylmethionine biosynthesis, and protein processing in the endoplasmic reticulum. This reveals that the response of potato to the scab toxin involves a complex physiological and biochemical regulatory network. Through protein-protein interaction network analysis, the core protein M1ASG7 with the highest connectivity was screened out. Additionally, two up-regulated DEPs, M02PK2 and M1A0Y3, were found in its metabolic pathway, all of which are closely related to the regulation of cellular metabolism.

Potato  /  Scab disease  /  Proteomics  /  Differential protein
Ze Pang, Guokui Tian, Haiyan Wang, Fengyun Li, Yang Pan, Mingxue Li, Lichun Wang. Differential Proteomic Analysis of Potato in Response to the Pathotoxin of Common Scab[J]. Crops, 2026 , 42 (2) : 30 -38 . DOI: 10.16035/j.issn.1001-7283.2026.02.004
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Article Info
doi: 10.16035/j.issn.1001-7283.2026.02.004
  • Receive Date：2024-12-04
  • Online Date：2026-04-30
  • Published：2026-04-15
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  • Received：2024-12-04
  • Revised：2025-03-24
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    Keshan Branch of Heilongjiang Academy of Agricultural Sciences / Key Laboratory of Potato Biology and Genetic Breeding of the Ministry of Agriculture and Rural Affairs / Heilongjiang Potato Germplasm Resources and Genetic Improvement Engineering Technology Center, Qiqihar 161000, Heilongjiang, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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