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Chiral thioacetyl derivatives of proline as novel potential agents for beluga reproduction 脯氨酸手性硫代乙酰基衍生物作为白鲸繁殖的新型潜在药物
Q1 Agricultural and Biological Sciences Pub Date : 2025-07-01 DOI: 10.1016/j.aaf.2024.03.010
Victoria P. Osipova , Margarita N. Kolyada , Maria A. Polovinkina , Anastasia D. Kolumbet , Vadim A. Grigoriev , Elena N. Ponomareva , Yuri T. Pimenov , Konstantin V. Kudryavtsev
The aim of the research was to study antioxidant activity and protective potential of new phenol-containing thioacetyl derivatives of D- and L-prolines as potential agents on beluga sperm and survival in the early stages of ontogeny of bester (Huso x Acipenser ruthenus) development. The study indicated that both enantiomers demonstrated the equal scavenging activity towards DPPH, ABTS•+, O2•–, H2O2 and NO, and that the activity towards all of these radicals, with the exception of nitric oxide, exceeded the activity of BHT. No significant differences were registered between the enantiomers in the inhibition of long-term lipid peroxidation of beluga sperm in vitro. The enantiomers revealed the opposite effect on the motility duration time of beluga spermatozoa, the rate of their fertilization, and survival at the early stages of bester ontogeny. Application of the L-proline derivative for the beluga sperm treatment resulted in the increase of the total period of movement of beluga sperm cells, the raise of the fertility of sterlet eggs and the survival of bester offspring at the prelarval stage, which led to an increase in the number of produced larvae. The introduction of the D-proline derivative or BHT decreased the motility duration time of beluga sperm, the fertility of sterlet eggs and the survival of offspring at the prolarval stage, which led to a decrease in the number of obtained larvae.
本研究旨在研究新型含酚的D-脯氨酸和l-脯氨酸硫乙酰基衍生物对白鲸精子的抗氧化活性和保护作用,并探讨其在白鲸个体发育早期对其存活的影响。研究表明,两种对映体对DPPH•、ABTS•+、O2•-、H2O2和NO具有相同的清除活性,且对除一氧化氮外的所有自由基的清除活性均超过BHT。对映体对体外培养的白鲸精子长期脂质过氧化的抑制作用无显著差异。对映体对白鲸精子的运动、持续时间、受精率和最佳个体发育早期的存活率有相反的影响。将l -脯氨酸衍生物应用于白鲸精子处理后,可增加白鲸精子细胞的总运动周期,提高小卵的育性,提高优良后代在前幼虫期的存活率,从而增加了幼鱼的产卵数量。d -脯氨酸衍生物或BHT的引入降低了白鲸精子的运动持续时间,降低了幼卵的受精率,降低了幼鱼的成活率,导致获得的幼鱼数量减少。
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引用次数: 0
PUFA from microalgae: Challenges, factors affecting high production and industrial application 微藻PUFA:挑战、影响高产和工业应用的因素
Q1 Agricultural and Biological Sciences Pub Date : 2025-07-01 DOI: 10.1016/j.aaf.2025.01.004
Muhammad Faiz Zakaria , Fatin Nur Ashira Mat Zaidi , Ahmad Hanafi Ahmad Kamal , Nor Afiqah Aleng , Mohd Effendy Abd Wahid , Tomoyo Katayama , Malinna Jusoh
Polyunsaturated fatty acids (PUFAs) are widely recognised for their significant health benefits, driving increased demand across various industries. Clinical and epidemiological studies have highlighted the therapeutic potential of key PUFAs, such as docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA). Currently, marine fish and terrestrial plants serve as the primary commercial sources of PUFAs. However, the sustainability of marine fish supplies is challenged by overfishing and competing demands for protein, while low yields and large land requirements limit terrestrial plant-derived PUFAs. As a result, microalgae have emerged as a promising alternative source of PUFAs due to their high accumulation potential, ease of cultivation, and independence from arable land or freshwater resources. This review explores the advantages of microalgae as biofactories for PUFA production and discusses advancements in optimising culture conditions to enhance yields. Key microalgal species with high PUFA content are identified, alongside an analysis of the chemical and physical factors influencing PUFA biosynthesis. The industrial applications of microalgae-derived PUFAs in aquaculture, food, nutraceuticals, and pharmaceuticals are reviewed, along with an evaluation of the challenges and limitations faced by commercial-scale production. Finally, the potential prospects of microalgae PUFAs are addressed, offering insights to meet growing market demands sustainably.
多不饱和脂肪酸(PUFAs)因其显著的健康益处而被广泛认可,推动了各个行业需求的增长。临床和流行病学研究强调了关键pufa的治疗潜力,如二十二碳六烯酸(DHA)和二十碳五烯酸(EPA)。目前,海洋鱼类和陆生植物是pufa的主要商业来源。然而,海洋鱼类供应的可持续性受到过度捕捞和对蛋白质的竞争性需求的挑战,而低产量和大的土地需求限制了陆生植物来源的pufa。因此,微藻因其高积累潜力、易于种植和不依赖耕地或淡水资源而成为一种有前途的pufa替代来源。本文探讨了微藻作为多聚脂肪酸生产生物工厂的优势,并讨论了优化培养条件以提高产量的进展。鉴定了具有高PUFA含量的关键微藻种,并分析了影响PUFA生物合成的化学和物理因素。综述了微藻衍生PUFAs在水产养殖、食品、营养药品和药品中的工业应用,并对商业规模生产面临的挑战和限制进行了评估。最后,对微藻pufa的潜在前景进行了展望,为可持续地满足日益增长的市场需求提供了见解。
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引用次数: 0
Monogamous hybridization of Nile tilapia (Oreochromis niloticus) with Mozambique tilapia (O. mossambicus) results in unprecedented all-female F1 hybrid 尼罗罗非鱼(Oreochromis niloticus)与莫桑比克罗非鱼(O. mossambicus)的一夫一妻制杂交产生了前所未有的全雌性 F1 代杂交种
Q1 Agricultural and Biological Sciences Pub Date : 2025-07-01 DOI: 10.1016/j.aaf.2024.04.007
Bhakta Supratim Sarker , Azhar Ali , Syeda Sonya Rahman , Md Samsul Alam , Md Sadiqul Islam
Tilapiine breeding success is season-dependent, with very rare exceptions. The female (f) to male (m) ratio differences showed significant variations in fruitful breeding. Furthermore, the female-to-male ratio in any hybridization protocol involving reciprocal crosses may be the most influential factor in determining breeding seasonality. The innate genetic traits of tilapia, a prominent contributor to global aquaculture production, enable them to easily adapt to a wide range of aquatic environments, rendering them suitable for domestication. The study aimed to determine the breeding timeframe of Nile tilapia (Oreochromis niloticus, N) through interspecific monogamous/two-parent reciprocal crossing with Mozambique tilapia (O. mossambicus, M). Considering preselected genotypic characteristics by PrlLK microsatellite marker, different combinations of hybrid reciprocal crosses were performed in breeding hapa (3 × 3 × 3 cubic feet) inside an indoor plastered cemented tank and then in an outdoor earthen pond facility. Total 11 parental pairs were attempted to propagate inside a cemented tank with (9 pairs) and without (2 pairs) hapa during early April to mid-June. Unfortunately, the trials failed to produce any successful breeding within the schedule. Among those 11 pairs, 6 pairs were Nf × Mm and 5 pairs were Mf × Nm cross. In the earthen pond inside hapa, a total of 18 pairs were attempted where seven breeding successes were reported without demonstrating any dependency for hybridizations over cross types or genotypes and for individuals over sex or species. Successful breeding were reported from the month of May to November. There were few overlapping months of successful breeding for different grouping categories. During the successful breeding period, there were no successful outcomes in both August and October. An inadvertent all-female F1 generation was observed for Mf × Nm crosses, while the reciprocal cross Nf × Mm produced an F1 generation with a nearly 1:1 female to male ratio. The F1 sex ratios exhibited a significant reliance on parental genotypic combinations (p = 5.4e-11). The success stories from different cross combinations would help to frame the breeding protocol for future research. More precisely, for arranging a breeding schedule in freshwater earthen ponds inside hapa for a monogamous/two-parent hybrid cross the study light a close insight.
罗非鱼的繁殖成功与否取决于季节,很少有例外。雌(f)与雄(m)之比差异在结果育种上表现出显著差异。此外,在任何涉及反向杂交的杂交方案中,雌性与雄性的比例可能是决定繁殖季节的最重要因素。罗非鱼是全球水产养殖生产的重要贡献者,其固有的遗传特征使其能够轻松适应各种水生环境,适合驯化。本研究旨在通过与莫桑比克罗非鱼(O. mossambicus, M)的种间单/双亲互交,确定尼罗罗非鱼(Oreochromis niloticus, N)的繁殖时间。考虑到PrlLK微卫星标记预先选择的基因型特征,在室内灰泥水泥池和室外泥塘设施中分别进行了3 × 3 × 3立方英尺的杂交正交组合。4月上旬至6月中旬,共11对亲本在有hapa(9对)和无hapa(2对)的胶结池内繁殖。不幸的是,试验未能在计划内产生任何成功的繁殖。其中Nf × Mm杂交6对,Mf × Nm杂交5对。在hapa内的土池中,共尝试了18对,其中7对繁殖成功,没有证明杂交对杂交型或基因型的依赖,也没有证明个体对性别或物种的依赖。5月至11月均有繁殖成功的报告。不同类群的成功繁殖月份很少重叠。在繁殖期,8月和10月均无成功结果。在Mf × Nm杂交中,无意中观察到一个全雌F1代,而在Nf × Mm的倒数杂交中,产生了一个雌雄比接近1:1的F1代。F1性别比例对亲本基因型组合有显著依赖(p = 5.4e-11)。不同杂交组合的成功案例将有助于构建未来研究的育种方案。更准确地说,为了在hapa内的淡水土池塘中为一夫一妻制/双亲杂交安排繁殖时间表,这项研究揭示了一个近距离的视角。
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引用次数: 0
Corrigendum regarding missing ethics statement, consent to participate statements and declaration of competing interest in articles previously published in Volume 7 关于先前在第7卷发表的文章中缺失的伦理声明、同意参与声明和竞争利益声明的勘误表
Q1 Agricultural and Biological Sciences Pub Date : 2025-07-01 DOI: 10.1016/j.aaf.2024.11.001
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引用次数: 0
Corrigendum regarding missing ethics statement, consent to participate statements and declaration of competing interest in articles previously published in Volume 5 关于先前在第5卷发表的文章中缺失的伦理声明、同意参与声明和竞争利益声明的勘误表
Q1 Agricultural and Biological Sciences Pub Date : 2025-07-01 DOI: 10.1016/j.aaf.2024.11.010
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引用次数: 0
Corrigendum to “Development and organisation of gonadal steroidogenesis in bony fishes -A review” [Aquaculture and Fisheries, 6 (3) (May 2021) 223–246] “硬骨鱼类性腺甾体发生的发育和组织-综述”的更正[水产养殖和渔业,6(3)(2021年5月)223-246]
Q1 Agricultural and Biological Sciences Pub Date : 2025-07-01 DOI: 10.1016/j.aaf.2024.10.004
Swathi Tenugu , Akanksha Pranoty , Sajwan-Khatri Mamta, Balasubramanian Senthilkumaran
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引用次数: 0
Genetic diversity, heritability, and estimated breeding values for growth of domesticated Asian seabass Lates calcarifer from Thailand 泰国驯化亚洲鲈鱼生长的遗传多样性、遗传率和估计育种值
Q1 Agricultural and Biological Sciences Pub Date : 2025-07-01 DOI: 10.1016/j.aaf.2024.04.006
Sirikan Prasertlux , Atra Chaimongkol , Jutaporn Chaimongkol , Sirithorn Janpoom , Sureerat Tang , Puttawan Rongmung , Wanwipa Ittarat , Parichart Ninwichian , Putth Songsangjinda , Takashi Sakamoto , Bavornlak Khamnamtong , Panya Sae-Lim , Sirawut Klinbunga
To establish a new breeding program, genetic diversity of five domesticated populations and two commercial stocks of Asian seabass (Lates calcarifer) were examined. Moderate levels of genetic diversity based on microsatellite polymorphism were found. The number of alleles per locus (NA) was 3.429–11.571. Observed (Ho) and expected (He) heterozygosities were 0.416–0.772 and 0.423–0.805. FST and genetic heterogeneity analysis revealed significant genetic differences of most pairwise comparisons (P < 0.001). Genetic distance between populations was 0.000–0.703. Phylogenetic analysis divided examined populations to two genetic stocks; A: DOF-Chachoengsao 2, DOF-Songkhla, and DOF-Trang and B: Commercial Farm 1 (Phuket) and Commercial Farm 2 (Chachengsao), DOF-Chachoengsao 1 and DOF-Krabi. The base population (G0, 51 families) was established from crosses between these founder populations. Heritability and estimated breeding values (EBVs) for growth in G0 families were evaluated at 519 day post hatch (dph, mean body weight = 616.64 ± 266.80 g, N = 1655). The heritability (h2) for growth of L. calcarifer in this study was 0.386 ± 0.020. The additive genetic coefficient of variation was 28% indicating high potential of genetic improvement for growth in this population. The distribution of EBVs showed high variation both between and within families. Fish exhibiting high EBVs (SATREPS-DOF-G0-hEBVs) clustered with a phylogenetic clade A while the SATREPS-DOF-G0-lEBVs group was phylogenetically allocated to clade B. Genetic selection with +1SD criteria is expected to achieve genetic gain of 28.5% per generation. The information on genetic diversity and EBVs estimates allows efficient implementation of our ongoing breeding program of L. calcarifer.
为建立新的养殖计划,对亚洲海鲈(Lates calcarifer) 5个驯化种群和2个商业种群的遗传多样性进行了研究。基于微卫星多态性的遗传多样性处于中等水平。每个位点等位基因数(NA)为3.429 ~ 11.571个。观察杂合度(Ho)和期望杂合度(He)分别为0.416 ~ 0.772和0.423 ~ 0.805。FST和遗传异质性分析显示,大多数两两比较的遗传差异显著(P <;0.001)。居群间遗传距离为0.000 ~ 0.703。系统发育分析将检验群体划分为两个遗传种群;A:茶城骚2号渔场、松卡渔场、庄渔场;B: 1号商业渔场(普吉岛)、2号商业渔场(茶城骚)、1号渔场和甲米渔场。基础种群(G0, 51个家系)是由这些创始种群之间的杂交建立的。在孵化后519天(dph,平均体重= 616.64±266.80 g, N = 1655),评估G0家系的生长遗传力和估计育种值(ebv)。本研究中钙化l生长的遗传力(h2)为0.386±0.020。加性遗传变异系数为28%,表明该群体具有较高的遗传改良潜力。ebv的分布在家族间和家族内均表现出较大的变异。显示高ebv的鱼(satps - dof - g0 - hebvs)与系统发育分支a聚集在一起,而satps - dof - g0 - lebvs组在系统发育上被分配到进化分支b。以+1SD标准进行遗传选择,预计每代遗传增益为28.5%。遗传多样性和ebv估计的信息可以有效地实施我们正在进行的钙化油菜育种计划。
{"title":"Genetic diversity, heritability, and estimated breeding values for growth of domesticated Asian seabass Lates calcarifer from Thailand","authors":"Sirikan Prasertlux ,&nbsp;Atra Chaimongkol ,&nbsp;Jutaporn Chaimongkol ,&nbsp;Sirithorn Janpoom ,&nbsp;Sureerat Tang ,&nbsp;Puttawan Rongmung ,&nbsp;Wanwipa Ittarat ,&nbsp;Parichart Ninwichian ,&nbsp;Putth Songsangjinda ,&nbsp;Takashi Sakamoto ,&nbsp;Bavornlak Khamnamtong ,&nbsp;Panya Sae-Lim ,&nbsp;Sirawut Klinbunga","doi":"10.1016/j.aaf.2024.04.006","DOIUrl":"10.1016/j.aaf.2024.04.006","url":null,"abstract":"<div><div>To establish a new breeding program, genetic diversity of five domesticated populations and two commercial stocks of Asian seabass (<em>Lates calcarifer</em>) were examined. Moderate levels of genetic diversity based on microsatellite polymorphism were found. The number of alleles per locus (<em>N</em><sub>A</sub>) was 3.429–11.571. Observed (<em>H</em><sub>o</sub>) and expected (<em>H</em><sub>e</sub>) heterozygosities were 0.416–0.772 and 0.423–0.805. <em>F</em><sub>ST</sub> and genetic heterogeneity analysis revealed significant genetic differences of most pairwise comparisons (<em>P</em> &lt; 0.001). Genetic distance between populations was 0.000–0.703. Phylogenetic analysis divided examined populations to two genetic stocks; A: DOF-Chachoengsao 2, DOF-Songkhla, and DOF-Trang and B: Commercial Farm 1 (Phuket) and Commercial Farm 2 (Chachengsao), DOF-Chachoengsao 1 and DOF-Krabi. The base population (G0, 51 families) was established from crosses between these founder populations. Heritability and estimated breeding values (EBVs) for growth in G0 families were evaluated at 519 day post hatch (dph, mean body weight = 616.64 ± 266.80 g, <em>N</em> = 1655). The heritability (<em>h</em><sup>2</sup>) for growth of <em>L. calcarifer</em> in this study was 0.386 ± 0.020. The additive genetic coefficient of variation was 28% indicating high potential of genetic improvement for growth in this population. The distribution of EBVs showed high variation both between and within families. Fish exhibiting high EBVs (SATREPS-DOF-G0-hEBVs) clustered with a phylogenetic clade A while the SATREPS-DOF-G0-lEBVs group was phylogenetically allocated to clade B. Genetic selection with +1SD criteria is expected to achieve genetic gain of 28.5% per generation. The information on genetic diversity and EBVs estimates allows efficient implementation of our ongoing breeding program of <em>L. calcarifer</em>.</div></div>","PeriodicalId":36894,"journal":{"name":"Aquaculture and Fisheries","volume":"10 4","pages":"Pages 576-585"},"PeriodicalIF":0.0,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141034160","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Corrigendum regarding missing ethics statement, consent to participate statements and declaration of competing interest in articles previously published in Volume 1 and Volume 2 关于先前在第1卷和第2卷中发表的文章中缺少伦理声明、同意参与声明和竞争利益声明的更正
Q1 Agricultural and Biological Sciences Pub Date : 2025-07-01 DOI: 10.1016/j.aaf.2024.11.007
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引用次数: 0
Phenylhydrazine-induced haemolysis disturbed iron pool homeostasis and activated expression pattern of FPN1 in the intestine of grass carp (Ctenopharyngodon idella) 苯肼诱导的溶血扰乱了草鱼肠道中铁池的平衡并激活了 FPN1 的表达模式
Q1 Agricultural and Biological Sciences Pub Date : 2025-07-01 DOI: 10.1016/j.aaf.2024.03.011
Xiaoman Huang , Hong Chen , Chenming Tu, Linpeng Zhang, Lihan Liu, Li Lin, Zhendong Qin, Fanbin Zhan
As the only molecule that can transport iron to the cell exterior, the ferroportin 1 (FPN1) plays a key role in regulating the homeostasis of the iron ion. However, the function of FPN1 in teleost is remains unclear. In this study, the fpn1 gene was cloned from grass carp and its characteristics were studied. The results showed that grass carp Fpn1 protein contains eight transmembrane domains, which are similar to the amino acid sequences of different species. The tissue distribution of fpn1 was investigated by quantitative real-time PCR (qRT-PCR), which showed that the expression of fpn1 was the highest in the liver, followed by the spleen and muscle. Secondly, the haemolysis model of grass carp was established by the injection of phenylhydrazine (PHZ), and the effect of Fpn1 on the intestine in during haemolysis was explored. The determination data revealed that the PHZ-induced haemolysis increased the number of goblet cells in intestinal, as well as malondialdehyde (Mda), decreased glutathione peroxidase 4 (Gpx4) content in foregut. The result of tissue immunofluorescence assay showed that the PHZ-induced haemolysis modulated the expression of iron metabolism related genes, including Fpn1 and Tfr1 (transferrin receptor 1) in the intestine. Further determination data suggested that the iron deposition and apoptosis were higher in PHZ treatment group than that of the group. Taken together, the PHZ-induced haemolysis destroyed the iron homeostasis in intestinal and caused oxidative damage, the data of this study lays a foundation for the study of the mechanisms of intestinal iron homeostasis and provides a theoretical basis for understanding intestinal healthy.
作为唯一能够将铁转运到细胞外的分子,铁转运蛋白1 (FPN1)在调节铁离子的稳态中起着关键作用。然而,FPN1在硬骨鱼中的功能尚不清楚。本研究从草鱼中克隆了fpn1基因,并对其特性进行了研究。结果表明,草鱼Fpn1蛋白含有8个跨膜结构域,这些结构域与不同物种的氨基酸序列相似。采用实时荧光定量PCR (qRT-PCR)检测fpn1的组织分布,结果显示fpn1在肝脏中表达量最高,其次是脾脏和肌肉。其次,通过注射苯基肼(phenylhydrazine, PHZ)建立草鱼溶血模型,探讨Fpn1在溶血过程中对肠道酶的影响。测定数据显示,phz诱导的溶血增加了肠道杯状细胞的数量,降低了前肠丙二醛(Mda)和谷胱甘肽过氧化物酶4 (Gpx4)的含量。组织免疫荧光分析结果显示,phz诱导的溶血可调节肠内铁代谢相关基因Fpn1和Tfr1(转铁蛋白受体1)的表达。进一步测定数据表明,PHZ治疗组铁沉积和细胞凋亡明显高于对照组。综上所述,phz诱导的溶血破坏了肠道内铁稳态并引起氧化损伤,本研究数据为肠道铁稳态机制的研究奠定了基础,为理解肠道健康提供了理论依据。
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引用次数: 0
Heterogeneous bacterial communities in gills and intestine of Nile tilapia (Oreochromis niloticus) and in water and sediments of aquaculture ponds in Bangladesh 孟加拉国尼罗罗非鱼(Oreochromis niloticus)鳃和肠以及水产养殖池塘水和沉积物中的异质性细菌群落
Q1 Agricultural and Biological Sciences Pub Date : 2025-07-01 DOI: 10.1016/j.aaf.2024.05.003
Anwar Hossain , Md Al Zahid , Santonu Kumar Sanyal , Md Inja-Mamun Haque , Md Habibullah-Al-Mamun , Shankar Chandra Mandal , Kozo Watanabe
Tilapia aquaculture contributes significantly to the nutritional requirements of humans. Because microbes play a pivotal role in maintaining the host's physiology and biochemistry, research on the microbiomes associated with tilapia and in the rearing pond water and sediment can contribute to increased production. We applied 16S rRNA gene amplicon sequencing to elucidate the bacterial community structures in the gills and intestine of Nile tilapia as well as in the water and sediment of their rearing ponds. We identified a total of 9770 bacterial Operational Taxonomic Units (OTUs) in all the samples. The sediment samples, which generated 3884 unique OTUs, had the highest level of alpha-diversity (Shannon index, P < 0.01) among all the samples. Fusobacteria (59%) predominated and constituted the indicator phylum in tilapia gills, while Proteobacteria was prevailed in water (52%), sediment (28%), and intestine (33%). The bacterial community structures of the gills and intestine were not much similar to those of the surrounding water and sediment, probably due to host-specific microbial selection. More than 70% of the bacterial flora were beneficial, whereas nearly 10% were pathogenic in gills and intestine of tilapia. This study aims to explore the microbiome of tilapia aquaculture in Bangladesh, and the results suggest that the microbial communities in tilapia gills and intestine are in a eubiotic state, which indicates a healthy state for better growth and production of Nile tilapia aquaculture.
罗非鱼水产养殖对人类的营养需求有重大贡献。由于微生物在维持宿主的生理生化方面起着关键作用,因此研究与罗非鱼相关的微生物组以及养殖池水和沉积物中的微生物组有助于提高产量。利用16S rRNA基因扩增子测序技术,对尼罗罗非鱼鳃、肠道以及养殖池水和底泥中的细菌群落结构进行了研究。在所有样品中共鉴定出9770个细菌操作分类单位(OTUs)。沉积物样品产生3884个独特的otu, α -多样性水平最高(Shannon指数,P <;0.01)。罗非鱼鳃中梭杆菌属(59%)占主导地位,构成指示门;水(52%)、沉积物(28%)和肠道(33%)中变形杆菌属占主导地位。鳃和肠道的细菌群落结构与周围水和沉积物的细菌群落结构不太相似,可能是由于宿主特有的微生物选择。罗非鱼鳃和肠道中有益菌群占70%以上,致病菌占10%左右。本研究旨在探索孟加拉国罗非鱼养殖的微生物群落,结果表明罗非鱼鳃和肠道的微生物群落处于益生状态,这表明尼罗罗非鱼养殖处于健康状态,可以更好地生长和生产。
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引用次数: 0
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Aquaculture and Fisheries
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