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First proteomic analysis of the role of lysine acetylation in extensive functions in Solenopsis invicta.


ABSTRACT: Lysine acetylation (Kac) plays a critical role in the regulation of many important cellular processes. However, little is known about Kac in Solenopsis invicta, which is among the 100 most dangerous invasive species in the world. Kac in S. invicta was evaluated for the first time in this study. Altogether, 2387 Kac sites were tested in 992 proteins. The prediction of subcellular localization indicated that most identified proteins were located in the cytoplasm, mitochondria, and nucleus. Venom allergen Sol i 2, Sol i 3, and Sol i 4 were found to be located in the extracellular. The enriched Kac site motifs included Kac H, Kac Y, Kac G, Kac F, Kac T, and Kac W. H, Y, F, and W frequently occurred at the +1 position, whereas G, Y, and T frequently occurred at the -1 position. In the cellular component, acetylated proteins were enriched in the cytoplasmic part, mitochondrial matrix, and cytosolic ribosome. Furthermore, 25 pathways were detected to have significant enrichment. Interestingly, arginine and proline metabolism, as well as phagosome, which are related to immunity, involved several Kac proteins. Sequence alignment analyses demonstrated that V-type proton ATPase subunit G, tubulin alpha chain, and arginine kinase, the acetylated lysine residues, were evolutionarily conserved among different ant species. In the investigation of the interaction network, diverse interactions were adjusted by Kac. The results indicated that Kac may play an important role in the sensitization, cellular energy metabolism, immune response, nerve signal transduction, and response to biotic and abiotic stress of S. invicta. It may be useful to confirm the functions of Kac target proteins for the design of specific and effective drugs to prevent and control this dangerous invasive species.

SUBMITTER: Ye J 

PROVIDER: S-EPMC7743978 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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First proteomic analysis of the role of lysine acetylation in extensive functions in Solenopsis invicta.

Ye Jingwen J   Li Jun J  

PloS one 20201216 12


Lysine acetylation (Kac) plays a critical role in the regulation of many important cellular processes. However, little is known about Kac in Solenopsis invicta, which is among the 100 most dangerous invasive species in the world. Kac in S. invicta was evaluated for the first time in this study. Altogether, 2387 Kac sites were tested in 992 proteins. The prediction of subcellular localization indicated that most identified proteins were located in the cytoplasm, mitochondria, and nucleus. Venom a  ...[more]

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