Proteomics

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The proteome of chilli pepper stem during Sclerotium rolfsii Infection

ABSTRACT: In order to further understand the corresponding mechanism of pepper plants in different infection stages.The blocks of fungal mycelia were inoculated on the soil surface about 2 cm away from the base of stem of the pepper plants at the six-leaf stage. After getting rid of the hyphae on stem surface, stem tissues (1 cm long pepper stem segments above the soil surface) that fungal hyphae just contacted (T1, about 24 h after inoculation) or surrounded (T2, about 48 h after inoculation) with pepper stems were harvested together to be taken as a sample of a different stage of fungal infection. Mock samples were taken at the same time as T1 but without inoculation of S. rolfsii. The samples were gently dried and snap-frozen in liquid nitrogen, and stored at -80 °C for the following experiments. Each sample was composed of stem tissues from 12 plants.

ORGANISM(S): Capsicum Annuum

SUBMITTER: Jingyuan Zheng  

PROVIDER: PXD029372 | iProX | Wed Oct 27 00:00:00 BST 2021

REPOSITORIES: iProX

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Integrated proteomic and metabolomic analyses reveal significant changes in chloroplasts and mitochondria of pepper (Capsicum annuum L.) during Sclerotium rolfsii infection.

Liao Hongdong H   Wen Xiangyu X   Deng Xuelei X   Wu Yonghong Y   Xu Jianping J   Li Xin X   Zhou Shudong S   Li Xuefeng X   Zhu Chunhui C   Luo Feng F   Ma Yanqing Y   Zheng Jingyuan J  

Journal of microbiology (Seoul, Korea) 20220331 5

Infection by Sclerotium rolfsii will cause serious disease and lead to significant economic losses in chili pepper. In this study, the response of pepper during S. rolfsii infection was explored by electron microscopy, physiological determination and integrated proteome and metabolome analyses. Our results showed that the stomata of pepper stems were important portals for S. rolfsii infection. The plant cell morphology was significantly changed at the time of the fungal hyphae just contacting (T  ...[more]

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