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Streptococcus agalactiae (GBS) causes serious infections in humans and other species. A total of 25 complete GBS genomes, including the first sequenced serotype VI genome (GBS-M002), were compared in this study. The power law model suggested that the pan-genome of GBS is open, with approximately 1300 genes in the core genome of GBS, accounting for approximately 60% of the average genome content. GBS-M002...
In insects, pigment patterns are formed by melanin, ommochromes, and pteridines. Here, the effects of pteridine synthesis on melanin formation were studied using 4th instar larvae of a wild-type silkworm strain, dazao (Bombyx mori), with normal color and markings. Results from injected larvae and in vitro integument culture indicated that decreased activity of guanosine triphosphate cyclohydrolase...
Beet armyworm, Spodoptera exigua, is a major pest of cotton around the world. With the increase of resistance to Bacillus thuringiensis (Bt) toxin in transgenic cotton plants, there is a need to develop an alternative control approach that can be used in combination with Bt transgenic crops as part of resistance management strategies. MicroRNAs (miRNAs), a non-coding small RNA family (18–25nt), play...
Emerging evidence showed that the common polymorphism (CYP1A2*1F, rs762551 C→A) in the promoter region of the CYP1A2 gene might be associated with susceptibility to cancer in humans. But individually published results were inconclusive. The aim of this meta-analysis is to investigate the association between CYP1A2*1F polymorphism and cancer risk.The Pubmed, Embase, Web of Science and Chinese BioMedical...
Studies investigating the association between PTPN22 gene C1858T polymorphism and type 1 diabetes (T1D) susceptibility among Caucasian population have reported conflicting results. To investigate this inconsistency, we performed a meta-analysis of all available studies dealing with the relationship between the PTPN22 C1858T polymorphism and T1D.Databases including PubMed, Web of Science, and EMBASE...
Cytotoxic T lymphocyte-associated protein 4 (CTLA-4) is an important mediators of T-cell activation in autoimmune diseases. The association of polymorphisms of CTLA gene with type 1 diabetes (T1D) has widely been reported; however, the results are inconsistent. To obtain further insight into this topic, we performed a meta-analysis of 52 studies involving a total of 11,017 cases and 14,191 controls...
Previous studies indicated that cytochrome P450 1A1 (CYP1A1) MspI polymorphism might be a possible risk factor for several malignancies. Increasing investigations have been conducted on the association of CYP1A1 MspI polymorphisms with acute lymphoblastic leukemia (ALL). However, the results were controversial. The goal of the present study was to address this controversy by pooling and analyzing...
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