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Yang Z, Zhang L, Zhang W, Tian X, Lai W, Lin D, Feng Y, Jiang W, Zhang Z, Zhang Z. Identification of the principal neuropeptide MIP and its action pathway in larval settlement of the echiuran worm Urechis unicinctus. BMC Genomics 2024; 25:337. [PMID: 38641568 PMCID: PMC11027379 DOI: 10.1186/s12864-024-10228-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Accepted: 03/15/2024] [Indexed: 04/21/2024] Open
Abstract
BACKGROUND Larval settlement and metamorphosis represent critical events in the life history of marine benthic animals. Myoinhibitory peptide (MIP) plays a pivotal role in larval settlement of marine invertebrates. However, the molecular mechanisms of MIP involved in this process are not well understood. RESULTS In this study, we evaluated the effects of thirteen MIP mature peptides on triggering the larval settlement of Urechis unicinctus (Xenopneusta, Urechidae), and determined that MIP2 was the principal neuropeptide. Transcriptomic analysis was employed to identify differentially expressed genes (DEGs) between the MIP2-treated larvae and normal early-segmentation larvae. Both cAMP and calcium signaling pathways were enriched in the DEGs of the MIP2-treated larvae, and two neuropeptide receptor genes (Spr, Fmrfar) were up-regulated in the MIP2-treated larvae. The activation of the SPR-cAMP pathway by MIP2 was experimentally validated in HEK293T cells. Furthermore, fourteen cilia-related genes, including Tctex1d2, Cfap45, Ift43, Ift74, Ift22, Cav1 and Mns1, etc. exhibited down-regulated expression in the MIP2-treated larvae. Whole-mount in situ hybridization identified two selected ciliary genes, Tctex1d2 and Cfap45, were specially expressed in circumoral ciliary cells of the early-segmentation larvae. Knocking down Tctex1d2 mRNA levels by in vivo RNA interference significantly increased the larval settlement rate. CONCLUSION Our findings suggest that MIP2 inhibits the function of the cilia-related genes, such as Tctex1d2, through the SPR-cAMP-PKA pathway, thereby inducing larval settlement in U. unicinctus. The study contributes important data to the understanding of neuropeptide regulation in larval settlement.
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Affiliation(s)
- Zhi Yang
- Key Laboratory of Tropical Aquatic Germplasm of Hainan Province, Sanya Ocean Institute, Ocean University of China, Sanya, China
| | - Long Zhang
- Key Laboratory of Tropical Aquatic Germplasm of Hainan Province, Sanya Ocean Institute, Ocean University of China, Sanya, China
| | - Wenqing Zhang
- Key Laboratory of Tropical Aquatic Germplasm of Hainan Province, Sanya Ocean Institute, Ocean University of China, Sanya, China
| | - Xinhua Tian
- Key Laboratory of Tropical Aquatic Germplasm of Hainan Province, Sanya Ocean Institute, Ocean University of China, Sanya, China
| | - Wenyuan Lai
- Ministry of Education Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao, China
| | - Dawei Lin
- Key Laboratory of Tropical Aquatic Germplasm of Hainan Province, Sanya Ocean Institute, Ocean University of China, Sanya, China
| | - Yuxin Feng
- Key Laboratory of Tropical Aquatic Germplasm of Hainan Province, Sanya Ocean Institute, Ocean University of China, Sanya, China
| | - Wenwen Jiang
- Key Laboratory of Tropical Aquatic Germplasm of Hainan Province, Sanya Ocean Institute, Ocean University of China, Sanya, China
| | - Zhengrui Zhang
- Ministry of Education Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao, China.
| | - Zhifeng Zhang
- Key Laboratory of Tropical Aquatic Germplasm of Hainan Province, Sanya Ocean Institute, Ocean University of China, Sanya, China.
- Ministry of Education Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao, China.
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Li R, Song Y, Wang X, Zheng C, Liu B, Zhang H, Ke J, Wu X, Wu L, Yang R, Jiang M. OsNAC5 orchestrates OsABI5 to fine-tune cold tolerance in rice. J Integr Plant Biol 2024; 66:660-682. [PMID: 37968901 DOI: 10.1111/jipb.13585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Accepted: 11/14/2023] [Indexed: 11/17/2023]
Abstract
Due to its tropical origins, rice (Oryza sativa) is susceptible to cold stress, which poses severe threats to production. OsNAC5, a NAC-type transcription factor, participates in the cold stress response of rice, but the detailed mechanisms remain poorly understood. Here, we demonstrate that OsNAC5 positively regulates cold tolerance at germination and in seedlings by directly activating the expression of ABSCISIC ACID INSENSITIVE 5 (OsABI5). Haplotype analysis indicated that single nucleotide polymorphisms in a NAC-binding site in the OsABI5 promoter are strongly associated with cold tolerance. OsNAC5 also enhanced OsABI5 stability, thus regulating the expression of cold-responsive (COR) genes, enabling fine-tuned control of OsABI5 action for rapid, precise plant responses to cold stress. DNA affinity purification sequencing coupled with transcriptome deep sequencing identified several OsABI5 target genes involved in COR expression, including DEHYDRATION-RESPONSIVE ELEMENT BINDING FACTOR 1A (OsDREB1A), OsMYB20, and PEROXIDASE 70 (OsPRX70). In vivo and in vitro analyses suggested that OsABI5 positively regulates COR gene transcription, with marked COR upregulation in OsNAC5-overexpressing lines and downregulation in osnac5 and/or osabi5 knockout mutants. This study extends our understanding of cold tolerance regulation via OsNAC5 through the OsABI5-CORs transcription module, which may be used to ameliorate cold tolerance in rice via advanced breeding.
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Affiliation(s)
- Ruiqing Li
- College of Agronomy, Anhui Agricultural University, Hefei, 230036, China
| | - Yue Song
- Hainan Institute, Yazhou Bay Sci-Tech City, Zhejiang University, Sanya, 572025, China
- National Key Laboratory of Rice Biology, Advanced Seed Institute, Zhejiang University, Hangzhou, 311225, China
| | - Xueqiang Wang
- Hainan Institute, Yazhou Bay Sci-Tech City, Zhejiang University, Sanya, 572025, China
- National Key Laboratory of Rice Biology, Advanced Seed Institute, Zhejiang University, Hangzhou, 311225, China
| | - Chenfan Zheng
- Hainan Institute, Yazhou Bay Sci-Tech City, Zhejiang University, Sanya, 572025, China
- National Key Laboratory of Rice Biology, Advanced Seed Institute, Zhejiang University, Hangzhou, 311225, China
| | - Bo Liu
- Hainan Institute, Yazhou Bay Sci-Tech City, Zhejiang University, Sanya, 572025, China
- National Key Laboratory of Rice Biology, Advanced Seed Institute, Zhejiang University, Hangzhou, 311225, China
| | - Huali Zhang
- State Key Laboratory of Rice Biology and Chinese National Center for Rice Improvement, China National Rice Research Institute, Hangzhou, 311401, China
| | - Jian Ke
- College of Agronomy, Anhui Agricultural University, Hefei, 230036, China
| | - Xuejing Wu
- College of Agronomy, Anhui Agricultural University, Hefei, 230036, China
| | - Liquan Wu
- College of Agronomy, Anhui Agricultural University, Hefei, 230036, China
| | - Ruifang Yang
- Key Laboratory of Germplasm Innovation and Genetic Improvement of Grain and Oil Crops (Co-Construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Crop Breeding and Cultivation Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai, 201106, China
| | - Meng Jiang
- Hainan Institute, Yazhou Bay Sci-Tech City, Zhejiang University, Sanya, 572025, China
- National Key Laboratory of Rice Biology, Advanced Seed Institute, Zhejiang University, Hangzhou, 311225, China
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Jiang S, An P, Xia C, Ma W, Zhao L, Liang T, Liu Q, Xu R, Huang D, Xia Z, Zou M. Genome-Wide Identification and Expression Analysis of the SUT Family from Three Species of Sapindaceae Revealed Their Role in the Accumulation of Sugars in Fruits. Plants (Basel) 2023; 13:95. [PMID: 38202403 PMCID: PMC10780545 DOI: 10.3390/plants13010095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 12/09/2023] [Accepted: 12/20/2023] [Indexed: 01/12/2024]
Abstract
Sapindaceae is an economically important family of Sapindales and includes many fruit crops. The dominant transport and storage form of photoassimilates in higher plants is sucrose. Sucrose transporter proteins play an irreplaceable role in the loading, transportation, unloading, and distribution of sucrose. A few SUT (sugar transporter) family genes have been identified and characterized in various plant species. In this study, 15, 15, and 10 genes were identified in litchi, longan, and rambutan, respectively, via genome-wide screening. These genes were divided into four subgroups based on phylogenetics. Gene duplication analysis suggested these genes underwent potent purifying selection and tandem duplications during evolution. The expression levels of SlSut01 and SlSut08 were significantly increased in the fruits of Sapindaceae members. The homologs of these two genes in longan and rambutan were also highly expressed in the fruits. The expression pattern of SUTs in three organs of the two varieties was also explored. Subcellular colocalization experiments revealed that the proteins encoded by both genes were present in the plasma membrane. This report provides data for the functional study of SUTs in litchi and provides a basis for screening sugar accumulation-related genes in fruits of Sapindaceae.
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Affiliation(s)
- Sirong Jiang
- College of Tropical Crops, Hainan University, Haikou 570228, China; (S.J.); (P.A.); (C.X.); (W.M.); (L.Z.); (T.L.); (Q.L.); (R.X.)
- Hainan Yazhou Bay Seed Laboratory, Sanya Nanfan Research Institute, Hainan University, Sanya 572025, China
| | - Pengliang An
- College of Tropical Crops, Hainan University, Haikou 570228, China; (S.J.); (P.A.); (C.X.); (W.M.); (L.Z.); (T.L.); (Q.L.); (R.X.)
- Hainan Yazhou Bay Seed Laboratory, Sanya Nanfan Research Institute, Hainan University, Sanya 572025, China
| | - Chengcai Xia
- College of Tropical Crops, Hainan University, Haikou 570228, China; (S.J.); (P.A.); (C.X.); (W.M.); (L.Z.); (T.L.); (Q.L.); (R.X.)
- Hainan Yazhou Bay Seed Laboratory, Sanya Nanfan Research Institute, Hainan University, Sanya 572025, China
| | - Wanfeng Ma
- College of Tropical Crops, Hainan University, Haikou 570228, China; (S.J.); (P.A.); (C.X.); (W.M.); (L.Z.); (T.L.); (Q.L.); (R.X.)
- Hainan Yazhou Bay Seed Laboratory, Sanya Nanfan Research Institute, Hainan University, Sanya 572025, China
| | - Long Zhao
- College of Tropical Crops, Hainan University, Haikou 570228, China; (S.J.); (P.A.); (C.X.); (W.M.); (L.Z.); (T.L.); (Q.L.); (R.X.)
- Hainan Yazhou Bay Seed Laboratory, Sanya Nanfan Research Institute, Hainan University, Sanya 572025, China
| | - Tiyun Liang
- College of Tropical Crops, Hainan University, Haikou 570228, China; (S.J.); (P.A.); (C.X.); (W.M.); (L.Z.); (T.L.); (Q.L.); (R.X.)
- Hainan Yazhou Bay Seed Laboratory, Sanya Nanfan Research Institute, Hainan University, Sanya 572025, China
| | - Qi Liu
- College of Tropical Crops, Hainan University, Haikou 570228, China; (S.J.); (P.A.); (C.X.); (W.M.); (L.Z.); (T.L.); (Q.L.); (R.X.)
- Hainan Yazhou Bay Seed Laboratory, Sanya Nanfan Research Institute, Hainan University, Sanya 572025, China
| | - Rui Xu
- College of Tropical Crops, Hainan University, Haikou 570228, China; (S.J.); (P.A.); (C.X.); (W.M.); (L.Z.); (T.L.); (Q.L.); (R.X.)
- Hainan Yazhou Bay Seed Laboratory, Sanya Nanfan Research Institute, Hainan University, Sanya 572025, China
| | - Dongyi Huang
- College of Tropical Crops, Hainan University, Haikou 570228, China; (S.J.); (P.A.); (C.X.); (W.M.); (L.Z.); (T.L.); (Q.L.); (R.X.)
- Hainan Yazhou Bay Seed Laboratory, Sanya Nanfan Research Institute, Hainan University, Sanya 572025, China
| | - Zhiqiang Xia
- College of Tropical Crops, Hainan University, Haikou 570228, China; (S.J.); (P.A.); (C.X.); (W.M.); (L.Z.); (T.L.); (Q.L.); (R.X.)
- Hainan Yazhou Bay Seed Laboratory, Sanya Nanfan Research Institute, Hainan University, Sanya 572025, China
| | - Meiling Zou
- College of Tropical Crops, Hainan University, Haikou 570228, China; (S.J.); (P.A.); (C.X.); (W.M.); (L.Z.); (T.L.); (Q.L.); (R.X.)
- Hainan Yazhou Bay Seed Laboratory, Sanya Nanfan Research Institute, Hainan University, Sanya 572025, China
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Wang L, Chen J, Zhao C, Jin H, Li F, Wu S. Production and quality of Hami melon (Cucumis melo var. reticulatus) and pest population of Thrips palmi in UV-blocking film greenhouses. Pest Manag Sci 2023; 79:4011-4017. [PMID: 37278523 DOI: 10.1002/ps.7597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 05/19/2023] [Accepted: 06/06/2023] [Indexed: 06/07/2023]
Abstract
BACKGROUND Ultraviolet (UV) interferes with the vision, flight initiation, dispersal, host, and population dispersion of herbivorous insects. Hence, UV-blocking film has recently been developed as one of the most potential tools to control pests under tropical greenhouse conditions. In this study, we investigated the effects of UV-blocking film on the population dynamics of Thrips palmi Karny and the growth status of Hami melon (Cucumis melo var. reticulatus) in greenhouses. RESULTS By comparing thrips populations in greenhouses covered with UV-blocking films with those covered with ordinary polyethylene films, we found that the UV-blocking film effectively reduced the thrips population within 1 week and continued to control the population, meanwhile the quality and yield of melon in UV-blocking greenhouses also had a substantial increase. CONCLUSION The UV-blocking film remarkably inhibited the population growth of thrips and greatly improved the yield of Hami melon cultivated in UV-blocking greenhouse compared with the control greenhouse. Overall, UV-blocking film is a very powerful potential tool for green pest control in the field, enhancing the quality of tropical fruits, and providing a new wind vane for sustainable green agriculture in the future. © 2023 Society of Chemical Industry.
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Affiliation(s)
- Likui Wang
- Department of Entomology, College of Plant Protection and Sanya Institute of China Agricultural University, Beijing, China
| | - Jianwen Chen
- School of Tropical Crops, Hainan University, Haikou, China
| | - Chenyang Zhao
- School of Plant Protection, Hainan University, Haikou, China
| | - Haifeng Jin
- School of Plant Protection, Hainan University, Haikou, China
- Sanya Nanfan Research Institute, Hainan University, Sanya, China
| | - Fen Li
- School of Plant Protection, Hainan University, Haikou, China
- Sanya Nanfan Research Institute, Hainan University, Sanya, China
| | - Shaoying Wu
- School of Plant Protection, Hainan University, Haikou, China
- Sanya Nanfan Research Institute, Hainan University, Sanya, China
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Wei X, Luo Y, Tao Y, Li X, Meng F. Experimental Research into the Uniaxial Compressive Strength of Low-Density Reef Limestone Based on Image Recognition. Materials (Basel) 2023; 16:5465. [PMID: 37570169 PMCID: PMC10420266 DOI: 10.3390/ma16155465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 07/27/2023] [Accepted: 08/02/2023] [Indexed: 08/13/2023]
Abstract
Low-density reef limestone is widely distributed in tropical oceans; exploring its mechanical properties is of significance to practices in marine foundation engineering. In this research, laboratory experiments on low-density reef limestones with two different types of porous structures were conducted using image recognition methods to study the special mechanical properties of low-reef limestone. S¯ was defined as the parameter quantifying the pore geometry, and the calculation method of S¯ was optimized based on image recognition data. Finally, the influencing factors of uniaxial compressive strength (UCS) of low-density reef limestone were analyzed, and a modified formula considering pore structure was proposed. The results indicate the following: Image recognition methods were used to determine feasibility and convenience of capturing 2D pore geometric information of specimens. The optimization method of S¯ is conducive to improving automatic image recognition accuracy. Low-density reef limestones with different porous structures show small difference in porosity and density, while they exhibit large differences in pore sizes and UCS. The UCS of low-density reef limestone is found to be jointly influenced by pore structure and density (it increases with the decrease in parameter S¯ and increase in density). The results may provide help for those investigating the mechanical properties of reef limestone and practices in marine foundation engineering.
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Affiliation(s)
- Xiaoqing Wei
- Sanya Science and Education Innovation Park, Wuhan University of Technology, Sanya 572024, China; (X.W.); (F.M.)
- School of Civil Engineering and Architecture, Wuhan University of Technology, Wuhan 430070, China
| | - Yi Luo
- Sanya Science and Education Innovation Park, Wuhan University of Technology, Sanya 572024, China; (X.W.); (F.M.)
- School of Civil Engineering and Architecture, Wuhan University of Technology, Wuhan 430070, China
| | - Yuhang Tao
- Sanya Science and Education Innovation Park, Wuhan University of Technology, Sanya 572024, China; (X.W.); (F.M.)
- School of Civil Engineering and Architecture, Wuhan University of Technology, Wuhan 430070, China
| | - Xinping Li
- Sanya Science and Education Innovation Park, Wuhan University of Technology, Sanya 572024, China; (X.W.); (F.M.)
- School of Civil Engineering and Architecture, Wuhan University of Technology, Wuhan 430070, China
| | - Fei Meng
- Sanya Science and Education Innovation Park, Wuhan University of Technology, Sanya 572024, China; (X.W.); (F.M.)
- School of Civil Engineering and Architecture, Wuhan University of Technology, Wuhan 430070, China
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