Israeli Journal of Aquaculture-bamidgeh最新文献_第5页

Characteristics of the interferon regulatory factor IRF5 and its stimulation expression by Elizabethkingia miricola Infection in black-spotted frog (Pelophylax nigromaculatus) 干扰素调节因子IRF5的特征及其在黑斑蛙感染后的刺激表达

IF 0.6 4区农林科学

Israeli Journal of Aquaculture-bamidgeh Pub Date : 2023-06-12 DOI: 10.46989/001c.77752

Ronghua Wang, Qing Tan, Hongchun Jin, Ke Li, Menglu Yan, Yan Kang, Shuqiong Li, Jinlong Wang, Pinhong Yang, Zhongyuan Chen

{"title":"Characteristics of the interferon regulatory factor IRF5 and its stimulation expression by Elizabethkingia miricola Infection in black-spotted frog (Pelophylax nigromaculatus)","authors":"Ronghua Wang, Qing Tan, Hongchun Jin, Ke Li, Menglu Yan, Yan Kang, Shuqiong Li, Jinlong Wang, Pinhong Yang, Zhongyuan Chen","doi":"10.46989/001c.77752","DOIUrl":"https://doi.org/10.46989/001c.77752","url":null,"abstract":"Interferon regulatory factors (IRFs) have been confirmed as vital transcription factors for the immune system, which play a certain role in anti-infection defense, immune regulation, hematopoietic cell development, and maturation of the immune system. In this study, the cDNA of Interferon regulatory factor 5 (IRF5) was cloned from black-spotted frog, Pelophylax nigromaculatus, and termed PnIRF5. The results indicated, the full-length cDNA of PnIRF5 was 2090 bp, and a putative protein of 504 amino acids was encoded. The results of protein domain prediction suggested that PnIRF5 exhibited a DNA-binding domain (DBD), a middle region (MR), an IRF association domain (IAD), a virus activated domain (VAD), as well as two nuclear localization signals (NLSs). Phylogenetic analysis clustered PnIRF5 into the amphibian IRF5 subgroup in vertebrate IRF5 group. The results of qPCR show that PnIRF5 mRNA was expressed in all examined tissues, with higher levels were identified in the kidney, intestine, and lung. The gene expression of PnIRF5 was analyzed in kidney, spleen, and liver of black-spotted frog after challenged with Elizabethkingia miricola, and the maximum expression level of PnIRF5 in liver, spleen, and kidney were 1.80, 2.33 and 2.88 times that at 0 days post challenged, respectively. As indicated by the results, the PnIRF5 protein may take on critical significance in protecting black-spotted frog from E. miricola infection, and they may play a certain role in the immune response of black-spotted frog against bacteria.","PeriodicalId":14704,"journal":{"name":"Israeli Journal of Aquaculture-bamidgeh","volume":"52 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75130644","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Structure, sequence and phylogenetic analysis of the complete chloroplast genome of the brown algae Saccharina sp. ye-E (Laminariaceae: Phaeophyceae) from Sakhalin Oblast, Russia 俄罗斯库页岛褐藻Saccharina sp. ye-E (Laminariaceae: Phaeophyceae)叶绿体全基因组的结构、序列和系统发育分析

IF 0.6 4区农林科学

Israeli Journal of Aquaculture-bamidgeh Pub Date : 2023-06-08 DOI: 10.46989/001c.77614

Wei Zhang, Ziwen Liu, Xiaomin Fan

{"title":"Structure, sequence and phylogenetic analysis of the complete chloroplast genome of the brown algae Saccharina sp. ye-E (Laminariaceae: Phaeophyceae) from Sakhalin Oblast, Russia","authors":"Wei Zhang, Ziwen Liu, Xiaomin Fan","doi":"10.46989/001c.77614","DOIUrl":"https://doi.org/10.46989/001c.77614","url":null,"abstract":"For this investigation, the chloroplast genome of Saccharina sp. ye-E from Russia was uncovered and annotated with Illumina sequencing data to examine the phylogenetic relationship of Saccharina in Laminariaceae from a molecular biology perspective. Analysis of the structural characteristics, simple repeat sequence (SSR) loci, relative species differences, codon preference, and phylogenetic relationships was conducted. The results revealed that the chloroplast genome of Saccharina sp. ye-E had a length of 130,624 bp, containing 139 protein-coding genes (PCGs), 6 ribosomal RNAs (rRNAs) and 57 transfer RNAs (tRNAs) genes, and a total GC content of 31.1%. There were 15 SSR loci in the genome. Effective codon number (ENC) and codon adaptation index (CAI) both indicated the strong codon randomness and codon preference. The phylogenetic tree, based on the complete chloroplast genomes of 10 brown algae, showed that four species of Saccharina genus formed a clade, with Saccharina sp. ye-E and Saccharina latissimi having the most related genetic affinity. It is believed that the determination of the chloroplast genome of Saccharina sp. ye-E will be beneficial for future algal genetics evolution and systematic studies in the Laminariaceae.","PeriodicalId":14704,"journal":{"name":"Israeli Journal of Aquaculture-bamidgeh","volume":"13 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79174856","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The effect of dietary docosahexaenoic acid (DHA; 22:6n-3) on photoreceptor abundance, rhodopsin expression and growth in developing gilthead sea bream (Sparus aurata) larvae 膳食二十二碳六烯酸(DHA);22:6n-3)对光感受器丰度、视紫红质表达和发育中的金头鲷(Sparus aurata)幼虫生长的影响

IF 0.6 4区农林科学

Israeli Journal of Aquaculture-bamidgeh Pub Date : 2023-06-07 DOI: 10.46989/001c.77592

A. Tandler, A. Levitan, Oriya Nixon, Aviad Gaon, W. Koven

{"title":"The effect of dietary docosahexaenoic acid (DHA; 22:6n-3) on photoreceptor abundance, rhodopsin expression and growth in developing gilthead sea bream (Sparus aurata) larvae","authors":"A. Tandler, A. Levitan, Oriya Nixon, Aviad Gaon, W. Koven","doi":"10.46989/001c.77592","DOIUrl":"https://doi.org/10.46989/001c.77592","url":null,"abstract":"This study determined the effect of prey DHA on larval gilthead sea bream (GSB; Sparus aurata) photoreceptor abundance, rhodopsin expression, and growth performance. It was carried out in a twenty-eight 400 l conical tank system that was stocked with 100 viable GSB eggs/l/tank. This allowed the testing of 4 levels of rotifer DHA; 0.99 (Low; L), 1.9 (Intermediate low; I-L), 3.2 (Intermediate high; I-H) and 12.1(High; H) mg DHA/g DW rotifer, which were fed (10 rotifers/ml) to 3-16 DPH larvae. These rotifer diets continued to be offered to 17-34 DPH fish, although these larvae predominantly fed on 4 DHA enriched Artemia nauplii treatments that were offered at a concentration from 0.1 nauplii/ml to 4 nauplii/ml, depending on larval age. This resulted in 4 DHA rotifer-Artemia ranges: 0.99-0.0 (L), 1.9-2.6 (I-L), 3.2-7.2 (I-H), and 12.1-11.77 (H) mg DHA/g DW. The 4 DHA treatments and ranges were tested in replicates of 7 conical tanks per treatment. Increasing rotifer DHA significantly (P<0.0001) improved TL, in an exponential manner, throughout larval rearing. DW in 34 DPH larvae was markedly (P<0.05) enhanced with dietary DHA inclusion in the rotifers and Artemia. There was a significant (P < 0.005) prey DHA dose dependent range effect on the abundance of photoreceptor cells in the retina of 34 DPH larvae. The gene expression of rhodopsin in GSB larvae was significantly (P<0.05) upregulated with dietary DHA dose range and larval age (P<0.0001). This study established a link between dietary DHA level with photoreceptor abundance and rhodopsin expression, which led to improved vision, prey acquisition, and growth in developing GSB larvae.","PeriodicalId":14704,"journal":{"name":"Israeli Journal of Aquaculture-bamidgeh","volume":"95 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80353588","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Morphological characteristics and genetic diversity of Terapon jarbua (Forrskäl, 1775) in Central, Vietnam 越南中部jarbua Terapon (Forrskäl, 1775)的形态特征和遗传多样性

IF 0.6 4区农林科学

Israeli Journal of Aquaculture-bamidgeh Pub Date : 2023-05-31 DOI: 10.46989/001c.75406

Ty Nguyen, Huy X. Nguyen, Thanh Pham, Thuan V. Nguyen, Lan Le Thuy Hoang, G. V. Tran

{"title":"Morphological characteristics and genetic diversity of Terapon jarbua (Forrskäl, 1775) in Central, Vietnam","authors":"Ty Nguyen, Huy X. Nguyen, Thanh Pham, Thuan V. Nguyen, Lan Le Thuy Hoang, G. V. Tran","doi":"10.46989/001c.75406","DOIUrl":"https://doi.org/10.46989/001c.75406","url":null,"abstract":"Many environmental factors affect the morphology of migratory fish species, such as salinity, water flow rate, and temperature. However, studies on changes in fish morphology under environmental variations from salt water to brackish water are still limited in many fish species, especially in Terapon jarbua. This study aims to investigate the differences in the morphological parameters of T. jarbua between the coastal sea (seawater) and lagoon (brackish water); and between male and female fish based on a landmark morphological approach. Additionally, the genetic diversity of T. jarbua populations in Central Vietnam was elucidated using the mitochondrial DNA cytochrome oxidase subunit I (mtDNA COI) sequence as a molecular marker. The analytical results indicated no sexual dimorphism in the T. jarbua population, yet conformational differences exist between the two studied aquatic species. The analysis of 42 mtDNA COI sequences collected from Central Vietnam identified 13 haplotypes with medium genetic diversity and low genetic differentiation between the Tam Giang lagoon and Thua Thien Hue coastal (Fst = 0.028) and not significant (p = 0.126). Most haplotypes obtained are present in reference populations, indicating a high genetic exchange between populations. We proposed that the T. jarbua population in Central Vietnam has a stable connection with neighboring populations (China, Taiwan, Philippines, Indonesia, Malaysia, Bangladesh, India, and Pakistan).","PeriodicalId":14704,"journal":{"name":"Israeli Journal of Aquaculture-bamidgeh","volume":"39 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85117254","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Trematodes obtained from snails in giant gourami ponds supplied by well water in Tien Giang province, Vietnam 越南天江省井水供应的巨型gourami池塘中蜗牛的吸虫

IF 0.6 4区农林科学

Israeli Journal of Aquaculture-bamidgeh Pub Date : 2023-05-31 DOI: 10.46989/001c.74932

P. C. Thien

{"title":"Trematodes obtained from snails in giant gourami ponds supplied by well water in Tien Giang province, Vietnam","authors":"P. C. Thien","doi":"10.46989/001c.74932","DOIUrl":"https://doi.org/10.46989/001c.74932","url":null,"abstract":"A study on trematode obtained from freshwater snails in 30 grow-out giant gourami ponds supplied by well water was conducted in Chau Thanh district, Tien Giang province, Vietnam. The snails were sampled in the flooding season (October 2020), the intermediary season (January 2021) and the non-flooding season (April 2021). Eight snail species belonging to 8 genera, 4 families were found including Sermyla tornatella (48.6%), Sinotaia lithophaga (19.3%), Filopaludina sumatrensis (15.4%), Melanoides tuberculata (6.4%), Pomacea sp. (4.7%), Bithynia siamensis (4.2%), Thiara scabra (0.8%) and Tarebia granifera (0.6%). Cercariae were recovered from only two snail species of Melanoides tuberculata with Xiphidio cercariae and Furcocercous cercariae with a prevalence of 7.4%, and Bithynia siamensis with Xiphidio cercariae and Pleurolophocercous cercariae with the infection rate of 6.9%. The trematodes were found in 8 ponds (26.7%), 7 ponds (23.3%), and 3 ponds (10.0%) in the intermediary season, the non-flooding season, and the flooding season, respectively (P>0.05). More research on the epidemiology of trematodes in snails in fishponds should be done to contribute to food safety and sustainable aquaculture.","PeriodicalId":14704,"journal":{"name":"Israeli Journal of Aquaculture-bamidgeh","volume":"28 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87365777","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Profiles of cyclin B and cdc2 during ovarian and embryonic development in Exopalaemon carinicauda 细胞周期蛋白B和cdc2在骨外鲑卵巢和胚胎发育中的表达

IF 0.6 4区农林科学

Israeli Journal of Aquaculture-bamidgeh Pub Date : 2023-05-30 DOI: 10.46989/001c.77533

Junping Liang, X. Sun, Shuangfeng Li, Yanling Li, Hui Li, Xianfeng Wang, Jian Li, Jitao Li

{"title":"Profiles of cyclin B and cdc2 during ovarian and embryonic development in Exopalaemon carinicauda","authors":"Junping Liang, X. Sun, Shuangfeng Li, Yanling Li, Hui Li, Xianfeng Wang, Jian Li, Jitao Li","doi":"10.46989/001c.77533","DOIUrl":"https://doi.org/10.46989/001c.77533","url":null,"abstract":"Mitosis-promoting factor (MPF) is a complex formed by cyclin B (cyclin B) and cyclin-dependent kinase (cdc2). To investigate the role of MPF in the reproduction of Exopalaemon carinicauda, we cloned its full-length cDNA of the Ec-cyclin B and Ec-cdc2 genes. We analyzed their molecular characteristics and expression profiles during ovarian and embryonic development. The results showed that the Ec-cyclin B gene was 1194 bp long and encoded a 397 amino acid (aa) long protein. However, Ec-cdc2 was 900 bp long, which encoded 299 aa with a conserved cyclin binding motif PSTAIRE. The phylogenetic tree analysis showed that Ec-cyclin B had the highest homology with the cyclin B of Macrobrachium rosenbergii (81.06%). In comparison, Ec-cdc2 had the highest homology with the cdc2 of E. modestus (96.80%). Ec-cyclin B showed the highest expression in the ovary, whereas Ec-cdc2 was the highest in the hepatopancreas, followed by the ovary. In the five stages of ovarian development, Ec-cyclin B and Ec-cdc2 expression levels reach the highest at stage Ⅴ(p < 0.05). Overall, the expression of these two genes first increased and then decreased at different embryonic developmental stages. Therefore, these findings suggested that cyclin B and cdc2 played an essential role in the ovarian and embryonic development of E. carinicauda.","PeriodicalId":14704,"journal":{"name":"Israeli Journal of Aquaculture-bamidgeh","volume":"46 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78569630","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effects of water temperature on swimming performance of Siniperca knerii Garman under the Yuanshui River cascade development 沅水河梯级发育条件下水温对鳜鱼游泳性能的影响

IF 0.6 4区农林科学

Israeli Journal of Aquaculture-bamidgeh Pub Date : 2023-05-23 DOI: 10.46989/001c.75236

Bolan Song, Liangguo Liu, Xiangen Su, Tianbao Li

{"title":"Effects of water temperature on swimming performance of Siniperca knerii Garman under the Yuanshui River cascade development","authors":"Bolan Song, Liangguo Liu, Xiangen Su, Tianbao Li","doi":"10.46989/001c.75236","DOIUrl":"https://doi.org/10.46989/001c.75236","url":null,"abstract":"We examined the swimming parameters and oxygen consumption rate at four temperature levels (15，20，25 and 30°C) of Siniperca knerii Garman (11.81 ±2.21 cm, 26.4 ± 6.28g) from Yuanshui River for 30 days to analyze the ecological adaptability of the typical fish and the conservation of fishery resources from the Dongting Lake water system. Their relationship was also analyzed, and the results showed an approximately linear increasing trend of the fish’s critical swimming speed and preferred swimming speed with the change of temperature (P<0.05). In contrast, the induction velocity of fish decreased with the increase in water temperature. The relative induction velocities of the fish at four temperatures were (1.16±0.07), (0.94±0.06), (0.86±0.07), and (0.70±0.09) BL/s (Body Length/s). The preferred swimming speed was (1.86±0.04), (2.23±0.35), (2.65±0.28), and (2.74±0.33) BL/s. The relative critical speed was (2.58 ±0.32), (3.31±0.41), (4.31±0.52), and (5.22±0.48) BL/s. According to oxygen consumption rate at different temperatures, four nonlinear function models of the relationship between oxygen consumption rate of water temperature and swimming speed behavior parameters were obtained by nonlinear fitting. The model proved that the oxygen consumption rate, tail beating frequency, and respiratory rate increased with the increase in swimming speed. The higher the temperature, the more significant the changes were. The results showed that water temperature significantly affected the swimming characteristics of juvenile Siniperca knerii Garman. The changes were due to physiological and biochemical regulation with temperature and environmental changes. This experiment provided essential data support for the adaptive mechanism of sports physiology and ecology of typical fishes in the Yuanshui River.","PeriodicalId":14704,"journal":{"name":"Israeli Journal of Aquaculture-bamidgeh","volume":"69 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84136498","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Analysis of morphological differences among different populations of golden pompano (Trachinotus ovatus) 金鲳鱼(Trachinotus ovatus)不同种群形态差异分析

IF 0.6 4区农林科学

Israeli Journal of Aquaculture-bamidgeh Pub Date : 2023-05-17 DOI: 10.46989/001c.75267

Peng-Hai Zhao, Bao-suo Liu, Bo Liu, K. Zhu, Huayang Guo, Lin Xian, Nan Zhang, Dianchang Zhang

{"title":"Analysis of morphological differences among different populations of golden pompano (Trachinotus ovatus)","authors":"Peng-Hai Zhao, Bao-suo Liu, Bo Liu, K. Zhu, Huayang Guo, Lin Xian, Nan Zhang, Dianchang Zhang","doi":"10.46989/001c.75267","DOIUrl":"https://doi.org/10.46989/001c.75267","url":null,"abstract":"To explore the external morphological differences of golden pompano in different geographical populations, eight quantitative traits of 210 samples from seven golden pompano populations were measured. Multivariate statistical methods, such as principal component analysis, discriminant analysis, cluster analysis, and One-way ANOVA, were used to compare morphological differences among the populations. Principal component analysis extracted the top five principal components with a cumulative contribution rate of 85.79%, of which the first three principal components could explain seven morphological features. The principal component scatter plot showed that the NH, CH, and LL populations had similar morphology. Using the stepwise discriminant method to establish the classification and discrimination functions of the seven populations, the discrimination accuracy of the DL population was 93.3% for P1 and 87.5% for P2, which was the highest, and the comprehensive discrimination rate was 71.4%. The clustering relationship diagram showed that the populations were divided into three branches, and the CH and NH populations were closest. In contrast, the DL and HF populations were farthest from the other populations. One-way ANOVA showed significant differences (P<0.05) among all traits of the populations, and the morphological differences between the HX and DL populations were the largest. The results of this study showed specific differences in the external morphology of golden pompano among different populations.","PeriodicalId":14704,"journal":{"name":"Israeli Journal of Aquaculture-bamidgeh","volume":"1 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79043736","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Identification and pathogenicity of Aeromonas veronii isolated from sexually mature female Hypophthalmichthys molitrix 性成熟雌鱼维罗尼气单胞菌的鉴定及致病性

IF 0.6 4区农林科学

Israeli Journal of Aquaculture-bamidgeh Pub Date : 2023-05-03 DOI: 10.46989/001c.74696

Hui-Zhen Chen, Jiaxuan Luo, Yao-wu Fu, Wen-Ding Liu, Qi-Zhong Zhang

{"title":"Identification and pathogenicity of Aeromonas veronii isolated from sexually mature female Hypophthalmichthys molitrix","authors":"Hui-Zhen Chen, Jiaxuan Luo, Yao-wu Fu, Wen-Ding Liu, Qi-Zhong Zhang","doi":"10.46989/001c.74696","DOIUrl":"https://doi.org/10.46989/001c.74696","url":null,"abstract":"An outbreak of bacterial septicemia in female silver carp Hypophthalmichthys molitrix, which caused significant death of the fish in the Yantian Reservoir, was investigated. The pathogen was isolated from diseased fish and identified as Aeromonas veronii utilizing biochemical characteristics and molecular methods analyses. An artificial infection experiment indicated that the strain caused 100% mortality of juvenile silver carp and mature female fish with eggs but no death of the mature male fish. Silver carp challenged with A. veronii showed similar clinical signs with naturally infected fish. The histopathological study revealed that A. veronii infection caused the increment of hemosiderin granules and the vacuole formation in tissues of the spleen and livers, as well as the collapse, deformation, and disintegration of egg cells. The ACP, AKP, and CAT enzyme activities in the serum of both naturally and artificially infected silver carp were decreased significantly with the severe infection. In this study, A. veronii was isolated and identified as the primary bacterial pathogen causing the mass death of sexually mature female silver carp with eggs in Yantian Reservoir.","PeriodicalId":14704,"journal":{"name":"Israeli Journal of Aquaculture-bamidgeh","volume":"4 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86104176","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Research Progress in Molecular Biology of Fish Immunoglobulin M (IgM) 鱼类免疫球蛋白M (IgM)分子生物学研究进展

IF 0.6 4区农林科学

Israeli Journal of Aquaculture-bamidgeh Pub Date : 2023-03-26 DOI: 10.46989/001c.73925

H. Xia, Juanjuan Lu, Pinhong Yang, Fuyan Chen, Yunsheng Zhang, Laiangguo Liu, Zhongyuan Chen, Ruyu Huang

引用次数: 0