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Protein Profile and Glycosidase Activities of Prostate and Bulbourethral Glands Secretion in Camels (Camelus dromedarius) 骆驼前列腺和球尿道分泌物的蛋白谱及糖苷酶活性
Q4 Agricultural and Biological Sciences Pub Date : 2022-01-01 DOI: 10.5958/2277-8934.2022.00026.1
S. El-Bahr, M. Waheed, I. Ghoneim, I. Albokhadaim, A. Meligy, M. E. El Sebaei
This study was aimed to investigate protein profiles and glycosidase activities of bulbourethral and prostate glands secretion in dromedary camels. Sixteen healthy male camels (5-13 years old) were slaughtered and both glands were collected. The obtained secretions of both glands were used for determination of protein profile by 7-20% gel electrophoresis. Activities of β -N-acetylglucosaminidase, α -N-acetylgalactosaminidase and α -L-fucosidase were also determined. The current findings showed 11 (175.7, 129.3, 126.8, 94.9, 77.8, 74.4, 71.1, 53.3, 21.8, 15.9 and 9 kDa) and 15 (124.6, 89.7, 81.1, 75.5, 72.1, 60, 54.4, 48.9, 43.3, 40, 32.5, 24, 17.8, 13.3 and 9 kDa) protein bands in secretion of bulbourethral and prostate gland, respectively. Three (77.8, 53.3 and 9 kDa) and 6 bands (81.1, 75.5, 48.9, 17.8, 13.3 and 9 kDa) showed higher staining intensities in bulbourethral and prostate secretion, respectively. Both secretions shared a band of 9 kDa with higher intensity in bulbourethral secretion. Activities of glycosidase in bulbourethral and prostate secretions were verified and were higher in bulbourethral than in prostate secretion. α -L-fucosidase showed higher activity in glands secretions compared to other enzymes. Conclusively, bulbourethral and prostate secretions may be involved in coagulation processes of dromedary semen due to their contents of secretory proteins and glycosidases.
本研究旨在研究单峰骆驼球尿道和前列腺分泌的蛋白谱和糖苷酶活性。宰杀16只健康公骆驼(5-13岁),采集两种腺体。获得的两腺体分泌物用7-20%凝胶电泳测定蛋白质谱。测定了β - n -乙酰氨基葡萄糖酶、α - n -乙酰半乳糖氨基酶和α - l -聚焦酶的活性。目前的研究结果显示,球尿道和前列腺分泌的蛋白条带分别为11条(175.7、129.3、126.8、94.9、77.8、74.4、71.1、53.3、21.8、15.9和9 kDa)和15条(124.6、89.7、81.1、75.5、72.1、60、54.4、48.9、43.3、40、32.5、24、17.8、13.3和9 kDa)。3条条带(77.8、53.3和9 kDa)和6条条带(81.1、75.5、48.9、17.8、13.3和9 kDa)分别在球尿道和前列腺分泌物中显示较高的染色强度。两种分泌物共享9 kDa的条带,且球尿道分泌强度较高。糖苷酶在球尿道和前列腺分泌物中的活性得到证实,球尿道中的糖苷酶活性高于前列腺分泌物。α - l -聚焦酶在腺体分泌物中的活性高于其他酶。结论:单峰骆驼的尿道和前列腺分泌物可能由于其分泌蛋白和糖苷酶的含量而参与了精液的凝固过程。
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引用次数: 0
Duration of MERS – Coronavirus Antibodies in a Small Closed Dromedary Camel Herd in Dubai 中东呼吸综合征冠状病毒抗体在迪拜小型封闭单峰骆驼群中的持续时间
Q4 Agricultural and Biological Sciences Pub Date : 2022-01-01 DOI: 10.5958/2277-8934.2022.00039.x
U. Wernery, S. Joseph, M. Rodríguez, N. Paily, S. Thomas, R. Raghavan
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引用次数: 0
Light and Electron Microscopy of Buccal Salivary Glands of the Dromedary Camel 单峰骆驼颊唾液腺的光学和电子显微镜观察
Q4 Agricultural and Biological Sciences Pub Date : 2022-01-01 DOI: 10.5958/2277-8934.2022.00048.0
Abdelrahman Mohamed Ali Elseory, R. Yasin, Z. H. Ibrahim, A. Ali, K. Alkhodair, T. Althnaian
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引用次数: 0
Epididymal Based Changes in Spermatozoa of Dromedary Camels 单峰骆驼精子的附睾变化
Q4 Agricultural and Biological Sciences Pub Date : 2022-01-01 DOI: 10.5958/2277-8934.2022.00033.9
D. Rashad, M. Kandiel, A. El-Khawagah, K. Mahmoud, Y. F. Ahmed, M. E. A. El-Roos, G. Sosa
This study was aimed to declare the role of epididymal passage on semen features, DNA integrity and ultra-structures changes in dromedary camel. The testes with attached epididymis of mature dromedary camels (n=50) were collected during the rutting season from December to April. The harvested spermatozoa from the three-main anatomical epididymal segments (Head, body and tail) were assessed for semen characters, DNA integrity as well as, ultra-structural changes. A significant difference in semen features (individual motility, sperm count, membrane and acrosome intactness, viability, normality, maturity, abnormalities and acrosome length and perimeter) among different epididymal segments. Spermatozoa from epididymal tail showed a significantly (p<0.05) lower DNA fragmentation than those collected from head segment while agarose gel electrophoresis revealed non-significant difference in DNA intensity between spermatozoa from the three epididymal regions. Ultra-structures of the epididymal spermatozoa showed changes in acrosome shape, sub-acrosomal space, chromatin condensation and protoplasmic droplet during epididymal passage. The protoplasmic droplets varied in size, density and position with the epididymal segments. In conclusion, epididymal passage (from the head to the tail) is an essential pre-request for dromedary camels’ spermatozoa to attain high fertilising capacity through its great influence on spermatozoa characteristics and the fine cytological structures.
本研究旨在阐明附睾通道对单峰骆驼精液特征、DNA完整性和超微结构变化的影响。在12月至4月的发情期采集成熟单峰骆驼附睾睾丸50只。从附睾头、体、尾三个主要解剖节段采集的精子进行精液特征、DNA完整性和超微结构变化的评估。不同附睾节段的精液特征(个体活力、精子数量、膜和顶体完整性、活力、正常、成熟、异常和顶体长度和周长)有显著差异。附睾尾部精子的DNA片段化率显著低于头段精子(p<0.05),琼脂糖凝胶电泳显示附睾三个区域精子的DNA片段化率差异不显著。附睾精子的超微结构表现为顶体形状、顶体亚间隙、染色质凝聚和原生质液滴在附睾传代过程中的变化。原生质液滴的大小、密度和位置随附睾节段的变化而变化。综上所述,附睾通道(从头部到尾部)对精子的特性和精细的细胞学结构有很大影响,是单峰骆驼精子获得高受精率的重要先决条件。
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引用次数: 0
MERS-CoV in Dromedary Camels: Sequence-Based Comparison of Antigenicity and Pathogenicity of Structural and Non-Structural Proteins 单峰骆驼MERS-CoV:结构蛋白和非结构蛋白抗原性和致病性的序列比较
Q4 Agricultural and Biological Sciences Pub Date : 2022-01-01 DOI: 10.5958/2277-8934.2022.00014.5
S. El-Bahr, M. Kandeel, I. Albokhadaim, M. Al-Nazawi, H. Ahmed
The goal of this researcher was to map the camel MERS-CoV structural and non-structural proteins and track changes in antigenicity and pathogenicity from 2013 to 2018. This is critical for developing effective diagnostic and control methods. Therefore, the sequences of MERS-CoV structural proteins such as Spike (S), Membrane (M), Nucleocapsid (N) and Envelope (E) and nonstructural proteins, comprising polyprotein-ab (polyab) and Open reading frame-3 (ORF3) were retrieved. The amino acid sequences of each of these proteins were analysed to estimate their antigenic and pathogenic properties from 2013 to 2018. The antigenicity profiles showed variations in antigenicity minimum, maximum, range, and average from 2013 to 2018. MERS-CoV proteins’ maximum antigenicity score was declining in the examined time frame. In 2013, the maximum score was 0.86, and by 2018, it had dropped to 0.6. This resulted in a greater range of antigenicity with the onset of MERS-CoV in 2013, with a range of 0.56, which eventually decreased to 0.22 in 2018. The net effect on the mean value of antigenicity score revealed that MERS-CoV antigenicity decreased gradually. Between 2013 and 2018, the mean antigenicity score of structural and nonstructural proteins decreased. Non-structural proteins, on the other hand, had the greatest alterations, with a mean value of 0.52 in 2013 and 0.42 in 2018, representing a loss of 19.2 per cent of their antigenicity score. In contrast, the structural protein showed a mean value of 0.55 in 2013 and 0.53 in 2018, i.e. lost only 3.6% of its antigenicity score. Given that ORF3 was nonantigenic, therefore, all changes in antigenicity changes were attributed to polyab protein. Pathogenicity score has decreased from 0.81 in 2013 to 0.78 in 2018. Further studies are required to map these changes on the virus-host cell interaction level.
本研究的目标是绘制2013 - 2018年骆驼MERS-CoV结构蛋白和非结构蛋白图谱,并追踪其抗原性和致病性的变化。这对于制定有效的诊断和控制方法至关重要。因此,我们检索了MERS-CoV结构蛋白如Spike (S)、Membrane (M)、Nucleocapsid (N)和Envelope (E)的序列,以及包括polyprotein-ab (polyab)和Open reading frame-3 (ORF3)的非结构蛋白序列。从2013年到2018年,分析了这些蛋白质的氨基酸序列,以估计它们的抗原性和致病性。从2013年到2018年,抗原性谱在最小值、最大值、范围和平均值上发生了变化。MERS-CoV蛋白的最大抗原性评分在检测时间内呈下降趋势。2013年,满分为0.86分,到2018年降至0.6分。这导致2013年MERS-CoV发病时的抗原性范围更大,范围为0.56,最终在2018年降至0.22。对抗原性评分平均值的净效应显示MERS-CoV抗原性逐渐下降。2013年至2018年间,结构蛋白和非结构蛋白的平均抗原性评分下降。另一方面,非结构蛋白的变化最大,2013年的平均值为0.52,2018年的平均值为0.42,其抗原性评分下降了19.2%。相比之下,结构蛋白在2013年和2018年的平均值分别为0.55和0.53,即仅损失了3.6%的抗原性评分。鉴于ORF3是非抗原性的,因此,所有抗原性变化都归因于polyab蛋白。致病性评分从2013年的0.81降至2018年的0.78。需要进一步的研究来绘制病毒-宿主细胞相互作用水平上的这些变化。
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引用次数: 1
Neutrophils Extracellular Traps Formation and Reactive Oxygen Species (ROS) Production by Milk Immune Cells from Camels with Subclinical Mastitis 亚临床乳腺炎骆驼乳免疫细胞中性粒细胞胞外陷阱的形成和活性氧(ROS)的产生
Q4 Agricultural and Biological Sciences Pub Date : 2022-01-01 DOI: 10.5958/2277-8934.2022.00021.2
J. Hussen, Mohammed Ali Al-Sukruwah, Khulud Bukhari
Subclinical mammary gland infections are within the most important infectious diseases in dromedary camels with high impact on milk production and animal health. Using flow cytometry, the present study analysed the capacity of milk phagocytes to form neutrophil extracellular traps (NETs) and to produce reactive oxygen species (ROS) in vitro . Based on the California mastitis test, clinically healthy camels were divided into animals with subclinical mastitis (n = 5) and camels with healthy mammary gland (n = 5). The ex vivo ROS production and the NETs formation activity of milk phagocytes were compared between healthy and affected animals. A basic fraction of phagocytes (10.0 ± 1.7% of total cells) with positive staining with the NETs-sensitive dye SYTOX™ Green was detected in milk samples from healthy camels. The NETs-positive fraction was significantly lower in milk from camels with subclinical mastitis (4.8 ± 1.5 % of total cells) compared to milk samples from healthy camels. Stimulation of milk cells with the gram-negative bacteria E. coli resulted in enhanced ROS production in milk phagocytes from both healthy and affected camels. The two groups, however, did not differ in the ROS level in their unstimulated or stimulated phagocytes. In conclusion, the present study identified basic levels of NETs formation by milk phagocytes separated from healthy camels. The reduced NETs formation by cells from infected camels may play a role in the pathogenesis of subclinical mammary gland infections in camels.
亚临床乳腺感染是单峰骆驼最重要的传染病之一,对产奶量和动物健康有很大影响。本研究利用流式细胞术分析了乳吞噬细胞在体外形成中性粒细胞胞外陷阱(NETs)和产生活性氧(ROS)的能力。基于加州乳腺炎试验,将临床健康骆驼分为亚临床乳腺炎动物(n = 5)和乳腺健康骆驼(n = 5),比较健康动物和患病动物体外ROS生成和乳吞噬细胞NETs形成活性。在健康骆驼的乳样中检测到nets敏感染料SYTOX™Green染色阳性的吞噬细胞基本组分(占总细胞的10.0±1.7%)。与健康骆驼的牛奶样品相比,亚临床乳腺炎骆驼牛奶中的nets阳性分数(占总细胞的4.8±1.5%)显着降低。用革兰氏阴性细菌大肠杆菌刺激乳细胞导致健康和患病骆驼乳吞噬细胞中ROS的产生增加。然而,两组在未受刺激和受刺激的吞噬细胞中的ROS水平没有差异。总之,本研究确定了从健康骆驼分离的乳吞噬细胞形成NETs的基本水平。感染骆驼的细胞形成NETs的减少可能在骆驼亚临床乳腺感染的发病机制中起作用。
{"title":"Neutrophils Extracellular Traps Formation and Reactive Oxygen Species (ROS) Production by Milk Immune Cells from Camels with Subclinical Mastitis","authors":"J. Hussen, Mohammed Ali Al-Sukruwah, Khulud Bukhari","doi":"10.5958/2277-8934.2022.00021.2","DOIUrl":"https://doi.org/10.5958/2277-8934.2022.00021.2","url":null,"abstract":"Subclinical mammary gland infections are within the most important infectious diseases in dromedary camels with high impact on milk production and animal health. Using flow cytometry, the present study analysed the capacity of milk phagocytes to form neutrophil extracellular traps (NETs) and to produce reactive oxygen species (ROS) in vitro . Based on the California mastitis test, clinically healthy camels were divided into animals with subclinical mastitis (n = 5) and camels with healthy mammary gland (n = 5). The ex vivo ROS production and the NETs formation activity of milk phagocytes were compared between healthy and affected animals. A basic fraction of phagocytes (10.0 ± 1.7% of total cells) with positive staining with the NETs-sensitive dye SYTOX™ Green was detected in milk samples from healthy camels. The NETs-positive fraction was significantly lower in milk from camels with subclinical mastitis (4.8 ± 1.5 % of total cells) compared to milk samples from healthy camels. Stimulation of milk cells with the gram-negative bacteria E. coli resulted in enhanced ROS production in milk phagocytes from both healthy and affected camels. The two groups, however, did not differ in the ROS level in their unstimulated or stimulated phagocytes. In conclusion, the present study identified basic levels of NETs formation by milk phagocytes separated from healthy camels. The reduced NETs formation by cells from infected camels may play a role in the pathogenesis of subclinical mammary gland infections in camels.","PeriodicalId":15097,"journal":{"name":"Journal of Camel Practice and Research","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71073374","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
Production of an in-House Rabbit Anti-Camel Immunoglobulin G (IgG) Conjugated With Horseradish Peroxidase (HRP) For Use in Immunoblots 兔抗骆驼免疫球蛋白G (IgG)与辣根过氧化物酶(HRP)偶联免疫印迹的制备
Q4 Agricultural and Biological Sciences Pub Date : 2022-01-01 DOI: 10.5958/2277-8934.2022.00003.0
S. El-Bahr, M.M. El Hassan
{"title":"Production of an in-House Rabbit Anti-Camel Immunoglobulin G (IgG) Conjugated With Horseradish Peroxidase (HRP) For Use in Immunoblots","authors":"S. El-Bahr, M.M. El Hassan","doi":"10.5958/2277-8934.2022.00003.0","DOIUrl":"https://doi.org/10.5958/2277-8934.2022.00003.0","url":null,"abstract":"","PeriodicalId":15097,"journal":{"name":"Journal of Camel Practice and Research","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71073206","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
Gross and Morphometrical Studies on Different Cervical Vertebrae in Dromedary Camels 单峰骆驼不同颈椎的大体和形态计量学研究
Q4 Agricultural and Biological Sciences Pub Date : 2022-01-01 DOI: 10.5958/2277-8934.2022.00005.4
G. Singh, B. Meshram, Hemant Joshi, N. Parmar
{"title":"Gross and Morphometrical Studies on Different Cervical Vertebrae in Dromedary Camels","authors":"G. Singh, B. Meshram, Hemant Joshi, N. Parmar","doi":"10.5958/2277-8934.2022.00005.4","DOIUrl":"https://doi.org/10.5958/2277-8934.2022.00005.4","url":null,"abstract":"","PeriodicalId":15097,"journal":{"name":"Journal of Camel Practice and Research","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71073230","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
Diagnostic and Predictive Significance of Acute Phase Response and Neopterin Levels in Lame Racing Dromedary Camels (Camelus dromedarius) 跛赛单峰骆驼急性期反应和新蝶呤水平的诊断和预测意义
Q4 Agricultural and Biological Sciences Pub Date : 2022-01-01 DOI: 10.5958/2277-8934.2022.00043.1
W. El-Deeb, Mohammed A. Abdelghani
{"title":"Diagnostic and Predictive Significance of Acute Phase Response and Neopterin Levels in Lame Racing Dromedary Camels (Camelus dromedarius)","authors":"W. El-Deeb, Mohammed A. Abdelghani","doi":"10.5958/2277-8934.2022.00043.1","DOIUrl":"https://doi.org/10.5958/2277-8934.2022.00043.1","url":null,"abstract":"","PeriodicalId":15097,"journal":{"name":"Journal of Camel Practice and Research","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71073681","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
The Influence of the Corpus Luteum Location on Hormonal and Vitamin C Composition of Follicular Fluid and Serum in Dromedary Camels (Camelus dromedarius) 黄体位置对单峰骆驼卵泡液和血清激素和维生素C组成的影响
Q4 Agricultural and Biological Sciences Pub Date : 2022-01-01 DOI: 10.5958/2277-8934.2022.00049.2
M. Waheed, I. Ghoneim, S. El-Bahr, A. Meligy, I. Albokhadaim, M. El-Sebaei
{"title":"The Influence of the Corpus Luteum Location on Hormonal and Vitamin C Composition of Follicular Fluid and Serum in Dromedary Camels (Camelus dromedarius)","authors":"M. Waheed, I. Ghoneim, S. El-Bahr, A. Meligy, I. Albokhadaim, M. El-Sebaei","doi":"10.5958/2277-8934.2022.00049.2","DOIUrl":"https://doi.org/10.5958/2277-8934.2022.00049.2","url":null,"abstract":"","PeriodicalId":15097,"journal":{"name":"Journal of Camel Practice and Research","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71073788","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
Journal of Camel Practice and Research
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