YIC-IR  > 海岸带生物学与生物资源利用重点实验室
Potential roles of PTEN on longevity in two closely related Argopecten scallops with distinct lifespans
Xu, Hanzhi1; Lu, Xia1; Wang, Chunde1,2; Ning, Junhao1; Chen, Min1; Wang, Yuan1,3; Yuan, Ke1,3
Source PublicationFrontiers in Physiology
2022
Volume13Pages:872562
Keywordbivalve Argopecten scallops PTEN nutrition restriction genomic stability PI3K Akt FoxO
DOI10.3389/fphys.2022.872562
AbstractPhosphatase and tensin homolog deleted on chromosome ten (PTEN) has been found to regulate longevity through the PI3K/Akt/FoxO pathway and maintenance of genome integrity in worms, flies, and mammals. However, limited information is available on the roles of PTEN in longevity of aquatic animals. Here we extended this paradigm using two closely related Argopecten scallops, Argopecten purpuratus, and Argopecten irradians, with significantly distinct life spans, which are commercially important bivalve species for fishery and aquaculture in China, United States, Peru, and Chile. The ORFs of the ApPTEN and AiPTEN were 1,476 and 1,473 bp, which encoded 491 and 490 amino acids, respectively. There were 48 synonymous and 16 non-synonymous SNPs and one InDel of three nucleotides between ApPTEN and AiPTEN, resulting in variations in 15 amino acids and lack of S453 in AiPTEN. Differences in conformation and posttranslational modification were predicted between ApPTEN and AiPTEN, which may indicate different activities of ApPTEN and AiPTEN. When the animals were subjected to nutrition restriction, the expression of both ApPTEN and AiPTEN was upregulated, with AiPTEN responded faster and more robust than ApPTEN. Ionizing radiation induced significantly elevated expression of ApPTNE but not AiPTEN in the adductor muscle, and the mortality rate of A. purpuratus was significantly lower than that of A. irradians, indicating that ApPTNE may play a protective role by maintaining the genome integrity. RNAi of ApPTNE significantly downregulated the expression of its downstream regulated genes known to favor longevity, such as FoxO, Mn-SOD, and CAT. These results indicated that PTEN may contribute to the longevity of A. purpuratus through regulation of nutrient availability and genomic stability, probably via PI3K/Akt/FoxO pathway. Our study may provide new evidence for understanding of the conservative functions of PTEN in regulation of lifespan in animals and human, and it may also benefit the selection of scallops strains with long lifespan and thus larger size.
Indexed BySCI
Language英语
WOS KeywordTUMOR-SUPPRESSOR PTEN ; MOLECULAR CHARACTERIZATION ; IRRADIANS LAMARCK ; BAY SCALLOP ; PROTEIN ; PHOSPHORYLATION ; FOXO ; STABILITY ; PATHWAY ; BRAIN
WOS Research AreaPhysiology
WOS IDWOS:000831937600001
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.yic.ac.cn/handle/133337/31543
Collection海岸带生物学与生物资源利用重点实验室
Corresponding AuthorLu, Xia
Affiliation1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Res & Dev Ctr Efficient Utilizat Coastal Bioresour
2.Qingdao Agr Univ, Coll Marine Sci & Engn
3.Univ Chinese Acad Sci
Recommended Citation
GB/T 7714
Xu, Hanzhi,Lu, Xia,Wang, Chunde,et al. Potential roles of PTEN on longevity in two closely related Argopecten scallops with distinct lifespans[J]. Frontiers in Physiology,2022,13:872562.
APA Xu, Hanzhi.,Lu, Xia.,Wang, Chunde.,Ning, Junhao.,Chen, Min.,...&Yuan, Ke.(2022).Potential roles of PTEN on longevity in two closely related Argopecten scallops with distinct lifespans.Frontiers in Physiology,13,872562.
MLA Xu, Hanzhi,et al."Potential roles of PTEN on longevity in two closely related Argopecten scallops with distinct lifespans".Frontiers in Physiology 13(2022):872562.
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