Potential Roles of PTEN on Longevity in Two Closely Related Argopecten Scallops With Distinct Lifespans
Phosphatase 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. Her...
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Frontiers Media S.A.
2022-07-01
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| Series: | Frontiers in Physiology |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fphys.2022.872562/full |
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| author | Hanzhi Xu Xia Lu Chunde Wang Chunde Wang Junhao Ning Min Chen Yuan Wang Yuan Wang Ke Yuan Ke Yuan |
| author_facet | Hanzhi Xu Xia Lu Chunde Wang Chunde Wang Junhao Ning Min Chen Yuan Wang Yuan Wang Ke Yuan Ke Yuan |
| author_sort | Hanzhi Xu |
| collection | DOAJ |
| description | Phosphatase 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. |
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| institution | Directory Open Access Journal |
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| language | English |
| last_indexed | 2024-04-12T09:07:47Z |
| publishDate | 2022-07-01 |
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| spelling | doaj.art-056fb0d3a3984a9fbf8c4cbbad027ad42022-12-22T03:39:02ZengFrontiers Media S.A.Frontiers in Physiology1664-042X2022-07-011310.3389/fphys.2022.872562872562Potential Roles of PTEN on Longevity in Two Closely Related Argopecten Scallops With Distinct LifespansHanzhi Xu0Xia Lu1Chunde Wang2Chunde Wang3Junhao Ning4Min Chen5Yuan Wang6Yuan Wang7Ke Yuan8Ke Yuan9Research and Development Center for Efficient Utilization of Coastal Bioresources, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, ChinaResearch and Development Center for Efficient Utilization of Coastal Bioresources, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, ChinaResearch and Development Center for Efficient Utilization of Coastal Bioresources, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, ChinaCollege of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, ChinaResearch and Development Center for Efficient Utilization of Coastal Bioresources, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, ChinaResearch and Development Center for Efficient Utilization of Coastal Bioresources, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, ChinaResearch and Development Center for Efficient Utilization of Coastal Bioresources, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, ChinaUniversity of Chinese Academy of Sciences, Beijing, ChinaResearch and Development Center for Efficient Utilization of Coastal Bioresources, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, ChinaUniversity of Chinese Academy of Sciences, Beijing, ChinaPhosphatase 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.https://www.frontiersin.org/articles/10.3389/fphys.2022.872562/fullbivalveArgopecten scallopsPTENnutrition restrictiongenomic stabilityPI3K/Akt/FoxO |
| spellingShingle | Hanzhi Xu Xia Lu Chunde Wang Chunde Wang Junhao Ning Min Chen Yuan Wang Yuan Wang Ke Yuan Ke Yuan Potential Roles of PTEN on Longevity in Two Closely Related Argopecten Scallops With Distinct Lifespans Frontiers in Physiology bivalve Argopecten scallops PTEN nutrition restriction genomic stability PI3K/Akt/FoxO |
| title | Potential Roles of PTEN on Longevity in Two Closely Related Argopecten Scallops With Distinct Lifespans |
| title_full | Potential Roles of PTEN on Longevity in Two Closely Related Argopecten Scallops With Distinct Lifespans |
| title_fullStr | Potential Roles of PTEN on Longevity in Two Closely Related Argopecten Scallops With Distinct Lifespans |
| title_full_unstemmed | Potential Roles of PTEN on Longevity in Two Closely Related Argopecten Scallops With Distinct Lifespans |
| title_short | Potential Roles of PTEN on Longevity in Two Closely Related Argopecten Scallops With Distinct Lifespans |
| title_sort | potential roles of pten on longevity in two closely related argopecten scallops with distinct lifespans |
| topic | bivalve Argopecten scallops PTEN nutrition restriction genomic stability PI3K/Akt/FoxO |
| url | https://www.frontiersin.org/articles/10.3389/fphys.2022.872562/full |
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