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Molecular detection of spa gene among Staphylococcus aureus isolated from mastitis 乳腺炎金黄色葡萄球菌spa基因的分子检测
Pub Date : 2021-03-07 DOI: 10.22034/IJI.V8I0.589
S. Al-Muhanna, Israa Abdul Ameer Al-Kraety, S. Banoon
From June to September 2020, among thirty gram-positive bacteria grown with mannitol salt agar, seventeen Staphylococcus aureus isolates were described. Staphylococcus aureus isolates were described in the initial identification based on the colonial morphology, microscopic analysis, and biochemical tests. The final identification was performed using an automated VITEK-2 compact system. The spa genes were detected by the genotyping method using the polymerase chain reaction (PCR) technique. The results showed that the spa gene comprised 19 isolates (63.3%) of S. aureus .
2020年6月至9月,在用甘露醇盐琼脂培养的30株革兰氏阳性菌中,描述了17株金黄色葡萄球菌分离株。根据菌落形态、显微镜分析和生化测试,对金黄色葡萄球菌分离株进行了初步鉴定。使用自动化VITEK-2紧凑型系统进行最终鉴定。采用聚合酶链式反应(PCR)技术进行spa基因分型。结果表明,spa基因包含19个金黄色葡萄球菌分离株(63.3%)。
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引用次数: 0
Karyology of an endemic Oxynoemacheilus simavicus (Balık & Bănărescu, 1978) (Teleostei: Nemacheilidae) 一种地方性喜氏Oxynemachilus simavicus的Karyology(Balık&Bănărescu,1978)(Teleostei:线虫科)
Pub Date : 2021-03-03 DOI: 10.22034/IJI.V8I1.541
Muradiye Karasu Ayata, S. Karakuş, M. Gaffaroğlu
The diploid chromosome number and chromosome morphologies of endemic Oxynoemacheilus simavicus (Balik & Bănărescu, 1978) were revealed out from Gediz River, Turkey. Metaphase chromosomes were obtained from head kidney cells. The diploid chromosome number was found as 50 and karyotype was consisted 13 pairs of biarmed and 12 pairs of uniarmed chromosomes. Fundamental arm number was calculated as 76. The obtained results shall contribute to nemacheilid chromosomal studies.
研究了土耳其Gediz河地区特有的Oxynoemacheilus simavicus (Balik & b nuricrescu, 1978)的二倍体染色体数目和染色体形态。从头肾细胞中获得中期染色体。二倍体染色体数目为50,核型为13对双臂染色体和12对单臂染色体。基本臂数计算为76。获得的结果将有助于染色体研究。
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引用次数: 0
Morphometric characteristic and condition factor of snakeskin Gourami (Trichogaster pectoralis) from Sungai Batang Swamp, Indonesia 印度尼西亚Sungai Batang沼泽蛇皮Gourami (Trichogaster pectoralis)形态特征及条件因子
Pub Date : 2021-03-03 DOI: 10.22034/IJI.V8I1.301
A. Ahmadi
The Snakeskin gourami ( Trichogaster pectoralis ) from Sungai Batang swamp, Indonesia has high commercial value and high pressure on population due to fishing, while the fish growth condition is poorly studied. A total of 848 fish ranging 75-200mm (119.14±18.43mm) (TL) and 5-132g (29.76±14.76g) were sampled to estimate its length-weight relationship and condition factors. Local fishermen mostly collected them using horizontal gill-net and also electrofishing device. Based on the results, the Snakeskin gourami grow allometrically ( b =2.7748-2.8971), indicating that fish becomes slender as the length increases. Total length and weight of female were significantly higher than those of male ( P 0.05). The mean K values for male and female were 1.64±0.24 and 1.66±0.21, respectively, indicating that fish in the swamp is in good condition.
印度尼西亚Sungai Batang沼泽的Snakeskin gourami(Trichogaster胸肌)具有很高的商业价值,由于捕鱼对种群的压力很大,但对鱼类生长状况的研究很少。共采样了848条75-200mm(119.14±18.43mm)(TL)和5-132g(29.76±14.76g)的鱼类,以估计其长重关系和条件因素。当地渔民大多使用水平刺网和电捕鱼装置来收集它们。根据研究结果,蛇皮鱼生长不均(b=2.7748-2.8971),表明鱼随着长度的增加而变得细长。雌性的总长度和体重显著高于雄性(P 0.05)。雄性和雌性的平均K值分别为1.64±0.24和1.66±0.21,表明沼泽中的鱼类状况良好。
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引用次数: 3
Reproductive biology of Indian halibut, Psettodes erumei from the northern Persian Gulf and Oman Sea (Teleoststei: Psettodidae) 波斯湾北部和阿曼海印度大比目鱼Psettodes erumei的繁殖生物学(Teleoststei:Psettodidae)
Pub Date : 2021-03-03 DOI: 10.22034/IJI.V8I1.434
Mehrnaz Ghanbarzadeh, E. Kamrani, M. S. Ranjbar, A. Salarpouri, C. Walters
The reproductive biology of Indian halibut, Psettodes erumei , a commercially valuable flatfish species, in the northern Persian Gulf and Oman Sea was studied. A total of 433 specimens were collected monthly from October 2016 to November 2017, and their length, weight, sex, gonad and liver weight, and maturity status were recorded. Monthly variations in Gonado-somatic index showed two obvious peaks in the spawning period in both sexes. Observations from the seasonal maturation curve, the frequency distribution of the female gonadal development stages and the condition factor confirmed recent findings that the spawning periods have two peaks, a higher peak in April-May (spring) and a lower peak in October (autumn). The size at first maturity of females was estimated to be 38.20 cm in total length. The absolute fecundity ranged from 18072 to 332171 eggs while the relative fecundity ranged from 22 to 161 eggs/g. Absolute fecundity was positively correlated with body related parameters (total length/weight) and with gonad weight. Combined, the information provided in this study could be useful for resource managers to set seasonal closure during peak spawning periods and implement minimum size limits above the size at first maturity to let the fish spawn at least once before capture.
研究了印度大比目鱼Psettodes erumei在波斯湾北部和阿曼海的繁殖生物学。从2016年10月到2017年11月,每月共采集433个标本,记录它们的长度、重量、性别、性腺和肝脏重量以及成熟状态。性腺体细胞指数的月变化在产卵期表现出两个明显的高峰。从季节成熟曲线、雌性性腺发育阶段的频率分布和条件因素的观察证实了最近的发现,即产卵期有两个高峰,一个高峰在4-5月(春季),一个较低高峰在10月(秋季)。雌性第一次成熟时的体型估计为38.20厘米。绝对繁殖力在18072~332171个卵之间,相对繁殖力为22~161个卵/g。绝对繁殖力与身体相关参数(总长度/体重)和性腺重量呈正相关。综合起来,这项研究中提供的信息可能有助于资源管理者在产卵高峰期设定季节性关闭,并在首次成熟时实施超过大小的最小大小限制,让鱼类在捕获前至少产卵一次。
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引用次数: 1
Short term temporal variation of mangrove fish assemblage in Chabahar Bay (Oman Sea) 阿曼海恰巴哈尔湾红树林鱼类群落的短期时间变化
Pub Date : 2021-01-01 DOI: 10.22034/IJI.V7I4.524
E. Koochaknejad, A. Ghazilou, M. Sharifinia, H. Ershadifar, K. Kor
This study aimed to assess the temporal variation in fish assemblage in Chabahar Bay mangrove habitat. Baited Remote Underwater Video (BRUV) sampling method was applied to record the fish presence. Fishes were sampled monthly from June 2017 to April 2018 at daylight time (9:00 to 14:00) during high tide. Water temperature, turbidity, and salinity were recorded at the time of sampling. During the study, a total of 17 species belonging to 12 families were identified. A mbassis gymnocephalus was found as the dominant fish throughout the year except in November and December. The most abundant fish fauna in numbers was characterized by the following five species: Ambassis gymnocephalus (53.38%), Sardinella sp. (17.13%), Terapon jarbua (4.79%), Rhabdosargus sarba (3.25%) and Acanthopagrus berda (2.9%). ANOSIM showed that significant differences in the assemblage structure occurred among months (R=0.613, P < 0.001), and the CLUSTER analysis, together with the SIMPROF test showed that December is significantly different in term of fish assemblage. Canonical Correspondence Analysis (CCA) on species-environment correlations revealed that temperature and turbidity were the main parameters influencing fish occurrence in the mangrove habitat of Chabahar Bay. The overall diversity (Shannon–Wiener, Simpson’s Index of Diversity, and Pielou’s evenness), as well as functional diversity indexes (FRic and FDis), was higher in autumn and spring pointing out that the diversity is higher when the temperature had the closest value to averaged value.
本研究旨在评估恰巴哈尔湾红树林生境鱼类群落的时间变化。采用带饵远程水下视频(BRUV)采样法记录鱼的存在。2017年6月至2018年4月,每月在白天(9:00 ~ 14:00)高潮期间取样。在取样时记录水温、浊度和盐度。本研究共鉴定出12科17种。除11月和12月外,裸鱼为全年优势鱼。鱼类区系数量最丰富的5种分别为裸鱼大头鱼(53.38%)、沙丁鱼(17.13%)、斑马鱼(4.79%)、沙纹横纹鱼(3.25%)和细棘鱼(2.9%)。ANOSIM分析结果显示,不同月份的鱼群组合结构存在显著差异(R=0.613, P < 0.001),聚类分析和SIMPROF检验结果显示,12月份的鱼群组合存在显著差异。典型对应分析(CCA)表明,温度和浊度是影响恰巴哈尔湾红树林生境鱼类发生的主要参数。总体多样性(Shannon-Wiener、Simpson’s Index of diversity、Pielou’s even)和功能多样性指数(FRic和FDis)在秋季和春季较高,说明温度与平均值最接近时多样性较高。
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引用次数: 1
Stock structure delineation of an endangered mahseer, Tor putitora (Teleostei: Cyprinidae) from two Indian rivers by morphological and meristic attributes 根据形态学和分生组织特征对印度两条河流中濒临灭绝的大马哈Tor putitora(Teleosteri:Cyprinidae)的种群结构的描述
Pub Date : 2020-12-30 DOI: 10.22034/IJI.V7I4.533
Y. K. Rawal, Apneet Kaur, P. Rani, I. S. Sidhu
An understanding of the stock is a basic requirement for the management of the fishery resources. The endangered mahseer,  Tor putitora (Hamilton, 1822) is a commercially important fish distributed extensively in the foothills of Himalayas. Box plots and multivariate statistical tools like Principal Component Analysis (PCA) and Discriminant Function Analysis (DFA) were used to delineate the stocks of T. putitora from two Indian rivers, Yamuna and Satluj using 6 meristic and 24 morphometric characteristics. A comparison of the morphometric and meristic characters using box plots revealed variations in eye diameter (ED), length of rostral barbel (LRB), standard length (SL), pre-anal distance (PAD), distance between pectoral and pelvic fin (DPP), distance between pelvic and anal fin (DPA), length of dorsal fin (LDF), length of pectoral fin (LpecF), length of pelvic fin (LpecF) and length of caudal fin (LCF) for distinguishing populations from these two rivers. Upon PCA, the first three principal components accounted for 69.66% of total variance in head parameters whereas for total length, the first 5 principal components accounted for 73.23% of total variance. For meristic characters, the first two PCs explained 75.65% of the total variance. The step-wise DFA retained only one function for morphometric as well as meristic characters explaining 100% of the variance. The Wilks’ lambda tests for morphometric and meristic data indicated differences between the populations of T. putitora from both the rivers.
了解鱼类种群是管理渔业资源的基本要求。濒临灭绝的帝王鱼Tor putitora(Hamilton,1822)是一种重要的商业鱼类,广泛分布在喜马拉雅山麓。利用盒图和主成分分析(PCA)和判别函数分析(DFA)等多元统计工具,利用6个分生组织和24个形态计量特征,对印度亚穆纳河和萨特鲁杰河的灰蝶种群进行了描述。使用箱形图对形态计量学和分生组织特征进行比较,发现眼睛直径(ED)、嘴杠铃长度(LRB)、标准长度(SL)、肛门前距离(PAD)、胸鳍和骨盆鳍之间的距离(DPP)、骨盆和肛门鳍之间的距离(DPA)、背鳍长度(LDF),骨盆鳍长度(LpecF)和尾鳍长度(LCF),用于区分这两条河流的种群。在主成分分析中,前三个主成分占头部参数总方差的69.66%,而就总长度而言,前五个主成分占据总方差的73.23%。对于分生组织性状,前两个PC解释了75.65%的总方差。逐步DFA只保留了一个形态计量和分生组织特征的函数,解释了100%的方差。Wilks对形态计量学和分生组织数据的lambda测试表明,来自两条河流的T.putitora种群之间存在差异。
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引用次数: 0
Microscopic structure of the olfactory mucosa of onespot barb, Puntius terio (Cyprinidae: Smiliogastrinae) 单鳍倒钩(Puntius terio)嗅觉粘膜的显微结构(Cyprinidae:Smiliogastrinae)
Pub Date : 2020-12-12 DOI: 10.22034/IJI.V7I4.514
S. K. Ghosh
Light microscopy and scanning electron microscopy were used to portray the cellular constituents lining the olfactory epithelium of teri barb, Puntius terio (Hamilton, 1822) (Cyprinidae: Smiliogastrinae). The olfactory organ holded 16 pairs of lamellae emitted from central raphe, consummate an oviform rosette. The multilamellar olfactory rosette was distinctively placed on the ground of nasal cavity and differentiated by specialized sensory and non-sensory territory. Sensory epithelium covered apical part and linguiform process of lamella while rest part is disguised by non-sensory epithelium. The sensory epithelium had two specific forms: ciliated receptor cells and microvillous receptor cells categorized by staining magnitude, texture and surface morphology. In divergence, the nonsensory epithelium was made up of stratified epithelial cells with microridges, cluster of ciliated non-sensory cells and secretory mucous cells. Basal cells were buried in the mucosa, presumed to be the progenitor of sensory or other supporting cells. Functional implication of cellular components on the olfactory lining was argued with feeding habits and behaviour of fish interested.
使用光学显微镜和扫描电子显微镜来描绘teri barb,Puntius terio(Hamilton,1822)(Cyprinidae:Smiliogastrinae)嗅觉上皮的细胞成分。嗅觉器官由中缝发出的16对薄片组成,形成卵状玫瑰花结。多层嗅觉玫瑰花结明显位于鼻腔地面,并通过专门的感觉区和非感觉区进行区分。感觉上皮覆盖着片层的顶端和舌状突起,其余部分被非感觉上皮所掩盖。感觉上皮有两种特殊形式:纤毛受体细胞和微绒毛受体细胞,根据染色量、质地和表面形态进行分类。在分化中,非感觉上皮由具有微脊的分层上皮细胞、纤毛的非感觉细胞簇和分泌粘液细胞组成。基底细胞埋在粘膜中,被认为是感觉细胞或其他支持细胞的祖细胞。根据感兴趣的鱼类的进食习惯和行为,讨论了细胞成分在嗅觉衬里上的功能含义。
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引用次数: 0
Length-weight relationships of seven fish species from the Karun River system, southwestern Iran 伊朗西南部卡伦河水系7种鱼类的长度-重量关系
Pub Date : 2020-12-12 DOI: 10.22034/IJI.V7I4.522
Mojgan Zare‐Shahraki, Y. Keivany, E. Ebrahimi, A. Bruder, J. Flotemersch, K. Blocksom
Length‐weight relationships (LWR) for seven species from the Karun River system in Iran were provided. These species include Alburnus doriae , Alburnus sellal , Barbus karunensis , Capoeta coadi , Squalius berak , Turcinoemacheilus saadii and Rhinogobius lindberg . Fishes were collected in November and December 2018 and LWR is based on total length and weight of 2867 specimens calculated by equation W= aL b . The b value ranged from 2.92 to 3.25 and r 2 from 0.94 to 0.99. The length and weight range is presented for each species collected in the Karun River Basin.
研究了伊朗卡伦河水系7种植物的长度-重量关系。这些物种包括:doriae Alburnus selal, Barbus karunensis, Capoeta coadi, Squalius berak, Turcinoemacheilus saadii和Rhinogobius lindberg。2018年11月和12月采集鱼类,LWR基于2867个标本的总长度和总重量,由公式W= aL b计算。b值为2.92 ~ 3.25,r2值为0.94 ~ 0.99。给出了在卡伦河流域收集的每种物种的长度和重量范围。
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引用次数: 0
New records of Syngnathiform fishes (Teleostei: Syngnathiformes) from the Hadhramout coast, Gulf of Aden, Yemen 也门亚丁湾哈德拉穆特海岸合颌形鱼类的新记录(Teleostei:合颌形目)
Pub Date : 2020-12-12 DOI: 10.22034/IJI.V7I4.526
A. Ali, Motae Sheikh Aideed, Mohammed Awadh Algurabi
Since the taxonomic work of A. Druzhinin in 1973, the number of valid fish species in the southern coast of the Gulf of Aden remained almost unchanged, mainly due to lack of firmness and consistency in the conduct of scientific research. In order to confirm the scientific nomenclature of local fish, we conducted field follow-ups at landing and marketing sites throughout the Hadhramout coast, the Gulf of Aden. A review of all the previous studies and publications shows that some fish species have not been reported from the Gulf of Aden Gulf. Among these species, we collected three syngnathiform fishes including Trachyrhamphus bicoarctatus (Bleeker, 1857) and Hippocampus kelloggi Jordan & Snyder, 1901 from the family Syngnathidae, and Aeoliscus punctulatus (Bianconi, 1854) from the family Centriscidae. Here, we describe the detailed characteristics of these fishes, which are new records for the coast of Hadhramout, Gulf of Aden.
自1973年A.Druzhinin的分类学工作以来,亚丁湾南部海岸的有效鱼类物种数量几乎没有变化,主要是由于在进行科学研究时缺乏坚定性和一致性。为了确认当地鱼类的科学命名,我们在整个哈德拉穆特海岸和亚丁湾的登陆点和营销点进行了实地跟踪。对以往所有研究和出版物的审查表明,亚丁湾的一些鱼类物种尚未报告。在这些物种中,我们收集了三种同颌鱼类,包括同颌科的Trachyrhamphus biarctatus(Bleeker,1857)和Hippocampus kelloggi Jordan&Snyder,1901,以及Centricidae科的Aeoliscus punctulatus(Bianconi,1854)。在这里,我们描述了这些鱼类的详细特征,它们是亚丁湾哈德拉穆特海岸的新记录。
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引用次数: 1
First record of Seamoths Eurypegasus draconis (Teleostei: Pegasidae) in the Tamil Nadu coast, India 在印度泰米尔纳德邦海岸发现的首个狭缝蛾(狭缝蛾目:狭缝蛾科)
Pub Date : 2020-12-09 DOI: 10.22034/IJI.V7I4.396
K. Silambarasan, P. Senthilkumaar, A. Sundaramanickam
In the present study a single individual (64 mm SL) of Seamoths Eurypegasus draconis Linnaeus, 1766 was recorded from the Kasimedu fisheries harbour, Chennai coast. This is the first record of the species from mainland of India Chennai, Tamil Nadu coast and third record from Indian waters. After three decades the species were documented in the Indian coast. A systematic account of the species and distributions are provided. The species has been compared with earlier studies and similar species of E. papilio .
在本研究中,1766年在金奈海岸的Kasimedu渔港记录到了一只龙纹海象(64 mm SL)。这是该物种在印度大陆钦奈、泰米尔纳德邦海岸的第一个记录,也是在印度水域的第三个记录。三十年后,该物种在印度海岸被记录在案。提供了物种和分布的系统描述。该物种已与早期的研究和类似的凤蝶属物种进行了比较。
{"title":"First record of Seamoths Eurypegasus draconis (Teleostei: Pegasidae) in the Tamil Nadu coast, India","authors":"K. Silambarasan, P. Senthilkumaar, A. Sundaramanickam","doi":"10.22034/IJI.V7I4.396","DOIUrl":"https://doi.org/10.22034/IJI.V7I4.396","url":null,"abstract":"In the present study a single individual (64 mm SL) of Seamoths Eurypegasus draconis Linnaeus, 1766 was recorded from the Kasimedu fisheries harbour, Chennai coast. This is the first record of the species from mainland of India Chennai, Tamil Nadu coast and third record from Indian waters. After three decades the species were documented in the Indian coast. A systematic account of the species and distributions are provided. The species has been compared with earlier studies and similar species of E. papilio .","PeriodicalId":14599,"journal":{"name":"Iranian Journal of Ichthyology","volume":"7 1","pages":"356-360"},"PeriodicalIF":0.0,"publicationDate":"2020-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44317455","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
期刊
Iranian Journal of Ichthyology
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