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Animal Biotechnology

Y C Wang, R L Han, Z J Li, J Geng, Y D Tian, R R Jiang, J P Wu, X T Kang
Research on the identity of genes and their relationship with traits of economic importance in chickens could assist in the selection of poultry. In this study, an F2 resource population of Gushi chickens crossed with Anka broilers was used to detect single-nucleotide polymorphisms (SNPs) in the flanking region of the ASB15 gene by DNA sequencing and polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP). One SNP of -1271 C>T in 5' flanking region of the chicken ASB15 gene and two SNPs of the 10618 A>G and 10716 G>A in 3' flanking region were identified...
October 13, 2016: Animal Biotechnology
Kiran Belwal, Dimpal Thakuria, Vikas Dighe, Veena Pande, Amit Pande
The innate immune system recognizes pathogens through pattern recognition receptors (PRRs), and toll-like receptors (TLRs) are one of the most important PRRs. TLR3 is a unique member of TLR family that recognizes double-stranded RNA (dsRNA), a viral replication intermediate. There is a variation in its response among diverse fish species toward the same stimulants. We identified and cloned TLR3 from Indian snow trout, Schizothorax richardsonii and carried out its expression analysis in un-induced and poly (I:C) challenged fish...
September 13, 2016: Animal Biotechnology
Y F Du, Q L Ding, Y M Li, W R Fang
In the modern chicken industry, fast-growing broilers have undergone strong artificial selection for muscle growth, which has led to remarkable phenotypic variations compared with slow-growing chickens. However, the molecular mechanism underlying these phenotypes differences remains unknown. In this study, a systematic identification of candidate genes and new pathways related to myofiber development and composition in chicken Soleus muscle (SOL) has been made using gene expression profiles of two distinct breeds: Qingyuan partridge (QY), a slow-growing Chinese breed possessing high meat quality and Cobb 500 (CB), a commercial fast-growing broiler line...
September 13, 2016: Animal Biotechnology
Linghong Sun, Jiangyan Cao, Ying Liu, Junjie Wang, Panpan Guo, Zaigui Wang
A kind of bacteria secreting cellulase and showing probiotic attributes was isolated from the cecum of goose and identified as Bacillus amyloliquefaciens by analysis of 16S rRNA gene sequence and named as B. amyloliquefaciens S1. In vitro assays, the enzymatic activity of the strain was determined by the reducing-sugar method, and the proper culture conditions of producing cellulase and some properties of the cellulase were investigated. The cultural mixture of the bacteria had a high cellulase activity of 1...
August 30, 2016: Animal Biotechnology
Vijayakumar Govindaraj, Harshini Krishnagiri, Manmohan Singh Chauhan, A J Rao
In our previous study, we demonstrated that the repair efficiency of DNA double-strand breaks declines with increasing age in rat primordial follicles. In the present study, we extended our studies to buffalo (Bubalus bubalis) wherein we studied the expression of BRCA-1 related DNA repair genes in primordial follicles of young (12 months-22 months) and adult (72-96 months) buffaloes. The relative expression of selected genes, as determined by RT-PCR, revealed a significant (p < 0.05) decrease in mRNA levels of BRCA1, MRE11, RAD51, ATM, and H2AX in adult primordial follicles as compared to the young...
August 23, 2016: Animal Biotechnology
Yong-Zhen Huang, Zi-Jing Zhang, Hua He, Xiu-Kai Cao, Cheng-Chuang Song, Kun-Peng Liu, Xian-Yong Lan, Chu-Zhao Lei, Xing-Lei Qi, Yue-Yu Bai, Hong Chen
DNA methylation is essential for the regulation of gene expression and important roles in muscle development. To assess the extent of epigenetic modifications and gene expression on the differentially methylated region (DMR) in ZBED6, we simultaneously examined DNA methylation and expression in six tissues from two different developmental stages (fetal bovine and adult bovine). The DNA methylation pattern was compared using bisulfite sequencing polymerase chain reaction (BSP) and combined bisulfite restriction analysis (COBRA)...
August 17, 2016: Animal Biotechnology
Maíra M Brito, Cristina F Lúcio, Daniel S R Angrimani, João Diego A Losano, Andressa Dalmazzo, Marcílio Nichi, Camila I Vannucchi
In addition to the existence of several cryopreservation protocols, no systematic research has been carried out in order to confirm the suitable protocol for canine sperm. This study aims to assess the effect of adding 5% glycerol during cryopreservation at 37°C (one-step) and 5°C (two-steps), in addition of testing two thawing protocols (37°C for 30 seconds, and 70°C for 8 seconds). We used 12 sperm samples divided into four experimental groups: Single-Step - Slow Thawing Group; Two-Step - Slow Thawing Group; Single-Step - Fast Thawing Group; and Two-Step - Fast Thawing Group...
August 10, 2016: Animal Biotechnology
Yong Wang, Hongwei Chen, Diangang Han, Ying Chen, Gemingguli Muhatai, Tursunjan Kurban, Jinming Xing, Jianzhong He
The adipocyte-type fatty acid-binding protein (A-FABP) is considered a candidate gene for fat metabolism; thus, it affects fat deposition in chickens. The present study was designed to examine the polymorphism and mRNA abundance of the A-FABP gene with intramuscular fat (IMF) in the pectoralis muscles (PM) and leg muscles (LM) of Three-yellow Chicken (TYC) and Hetian-black Chicken (HTBC). In total, 60 TYCs and 60 HTBCs were sacrificed using exsanguination at market age. The IMF contents of the PM and LM in the HTBC were significantly higher than those in the TYC...
August 10, 2016: Animal Biotechnology
Bijan Soleymani, Sayed Hassan Hafezian, Ghodratollah Rahimi Mianji, Kamran Mansouri, Broomand Chaharaein, Ahmad Tajehmiri, Mehdi Sharifi Tabar, Ali Mostafaie
Sex determining region Y gene (SRY) is located on Y chromosome and encodes a protein with 229 amino acids. In this study, ORF region of SRY with a length of 690 bp was synthesized using PCR and ligated to pET28a (+), then transformed in E.coli DH5α. E.coli BL21 (DE3) strain was chosen to express recombinant bovine SRY protein. A set of optimization steps was taken including different concentrations of IPTG, glucose, and temperatures at differed incubation times after the induction. Results showed that temperature points and different concentrations of IPTG and glucose had a significant effect (p < 0...
August 10, 2016: Animal Biotechnology
Chinmoy Mishra, Subodh Kumar, Arvind Asaram Sonwane, H M Yathish, Rajni Chaudhary
The exploration of candidate genes for immune response in cattle may be vital for improving our understanding regarding the species specific response to pathogens. Toll-like receptor 4 (TLR4) is mostly involved in protection against the deleterious effects of Gram negative pathogens. Approximately 2.6 kb long cDNA sequence of TLR4 gene covering the entire coding region was characterized in two Indian milk cattle (Vrindavani and Tharparkar). The phylogenetic analysis confirmed that the bovine TLR4 was apparently evolved from an ancestral form that predated the appearance of vertebrates, and it is grouped with buffalo, yak, and mithun TLR4s...
August 10, 2016: Animal Biotechnology
Pothana Boyina Guru Vishnu, Tarun K Bhattacharya, Pushpendra Kumar, R N Chaterjee, G V P P S Ravi Kumar, Chandan Paswan, Dushyanth Kotha Reddy, Athe Rajendra Prasad
Augmenting the meat production is among the primary breeding objective of genetic selection programs in poultry production. However, the knowledge about the expression of genes regulating muscle growth at the molecular level is inadequate. Activin type IIB receptor (ACTRIIB) has been reported to play vital role in the negative regulation of muscle growth by binding to multiple members of transforming growth factor-β superfamily. The present investigation was carried out to comprehend the trend of ACTRIIB messenger RNA in pectoralis major muscle during embryonic (E5-20) and post embryonic age (days 1, 14, 28, and 42) in both Control Broiler (CB) and Aseel by using Real-time PCR...
August 2, 2016: Animal Biotechnology
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No abstract text is available yet for this article.
October 2016: Animal Biotechnology
Madjid Delghandi, Hasifa Afzal, Manal Saif Nasser Al Hinai, Rafaida Dhuhai Gharib Al-Breiki, Dean R Jerry, Hoc Tan Dao
Polymorphic microsatellite loci were isolated for Panulirus ornatus using 454 GS-FLX Titanium pyrosequencing. Fifteen markers containing perfect di-, tri-, tetra-, and penta-nucleotide motifs were consistently co-amplified in five multiplexes in a panel of 91 randomly selected samples. Observed number of alleles varied from 2 to 14 per locus. Observed and expected heterozygosity ranged from 0.090 to 0.79 and 0.08 to 0.87, respectively. Ten loci deviated from Hardy-Weinberg equilibrium after sequential Bonferroni correction...
October 2016: Animal Biotechnology
A Karthikeyan, G Radhika, T V Aravindhakshan, K Anilkumar
Innate immune mechanism plays a key role in mammary defense, from recognition of pathogens to activation of nonspecific and specific immunity involved in elimination of pathogens. Expression profiles of innate immune response genes namely Toll like receptor 2 (TLR-2), Peptidoglycan recognition protein 1 (PGLYRP-1), Interleukin 8 receptor (IL-8 R), L-Selectin (SELL), and Osteopontin (OPN) in milk somatic cells of subclinical mastitis (SCM) affected crossbred cows were investigated under this study at transcript level using quantitative real time polymerase chain reaction (qRT-PCR)...
October 2016: Animal Biotechnology
QuanYong Zhou, MingChun Wan, QiPeng Wei, QiongLi Song, LiGen Xiong, JunHong Huo, JiangNan Huang
Proliferation, differentiation, and estrogen secretion of granulosa cells are the key factors affecting the estrous after weaning in sows. The objective of this study was to evaluate the expression of Follistatin (FST) in the ovary of Xiushui Hang and Duroc sows at weaning and estrus, the effect of FSH on transcript abundance of FST gene in granulosa cells and the role of FST gene in the weaning to estrus using siRNAs targeted to FST gene. In the present study, expression of the FST mRNA was evaluated by real time PCR...
October 2016: Animal Biotechnology
Xiaoling Chen, Yanliu Luo, Zhiqing Huang, Gang Jia, Guangmang Liu, Hua Zhao
Phosphotyrosine interaction domain containing 1 (PID1), a recently identified gene involved in obesity-associated insulin resistance, plays an important role in fat deposition. However, its effect on porcine intramuscular preadipocyte proliferation and differentiation remains poorly understood. In this study, the plasmid pcDNA3.1(+)-pPID1 was transfected into porcine intramuscular preadipocytes with Lipofectamine 3000 reagent to over-express porcine PID1 (pPID1). Over-expression of pPID1 significantly promoted porcine intramuscular preadipocyte proliferation...
October 2016: Animal Biotechnology
Yong-Zhen Huang, Jing-Jing Li, Chun-Lei Zhang, Xing-Tang Fang, Xian-Yong Lan, Xing-Lei Qi, Hong Chen
I-mfa (inhibitor of the MyoD family a) is a transcription modulator that binds to MyoD family members and inhibits their transcriptional activities. It is highly expressed in the sclerotome and plays an important role in the patterning of the somite early in development. In this study, the polymorphisms of the bovine I-mfa gene were detected by polymerase chain reaction-single stranded conformational polymorphism (PCR-SSCP) and DNA pool sequencing methods in 541 individuals from three Chinese cattle breeds...
October 2016: Animal Biotechnology
K Dushyanth, T K Bhattacharya, R Shukla, R N Chatterjee, T Sitaramamma, C Paswan, P Guru Vishnu
Myostatin is a member of TGF-β super family and is directly involved in regulation of body growth through limiting muscular growth. A study was carried out in three chicken lines to identify the polymorphism in the coding region of the myostatin gene through SSCP and DNA sequencing. A total of 12 haplotypes were observed in myostatin coding region of chicken. Significant associations between haplogroups with body weight at day 1, 14, 28, and 42 days, and carcass traits at 42 days were observed across the lines...
October 2016: Animal Biotechnology
Haitao Wu, Xiaolin Bi, Fang Cao, Cuicui Zhu, Hongzhen Liu, Jinyun Song, Lei Ma, Li Ma, Yi Zhang, Dongwei Zhao, Hongyan Liu, Xinzhou Xu, Shuangquan Zhang
A proliferation inducing ligand (APRIL) is a member of the TNF superfamily. It shares two receptors with B-cell activating factor (BAFF), B-cell maturation antigen (BCMA), and transmembrane activator and CAML interactor (TACI). Herein, the equine APRIL was identified from equine adipose-derived stem cell (ASC), and the protein expression of APRIL and its related molecules were detected during the adipogenic differentiation of equine ASC in vitro. The equine APRIL gene was located on chromosome 11, spans 1852 base pairs (bp)...
October 2016: Animal Biotechnology
S Nadri, P Zamani, A Ahmadi
The BMP15 gene is a growth factor and a member of the transforming growth factor β (TGFβ) superfamily, specifically expressed in oocytes. In the present study, polymorphism of BMP15 gene exon 1 was studied using single strand conformational polymorphism (SSCP) and direct DNA sequencing methods in 170 Mehraban and Lori sheep ewes. A 231-bp fragment in BMP15 exon 1 was amplified by PCR reactions. Two genotypes (GG and AG) with a new point mutation at position 121 bp of the studied fragment (c.379G>A in reference GenBank number AF236078...
October 2016: Animal Biotechnology
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