AIM Traditional hepatitis B virus (HBV) genotyping methods using restriction fragment length polymorphism (RFLP) can reliably identify genotypes A to F. As HBV genotypes G and H have been recently identified, this study was to establish an accurate and simple genotyping method for all eight HBV genotypes (A to H). METHODS Two hundred and forty HBV small S sequences obtained from GeneBank were...

In the present study fifty genotypes of Brassica juncea were evaluated for heat stress tolerance in terms of biochemical components, in four day old seedlings. Heat shock was given at 45 degrees C for 4.5 hr and thereafter survival percentage, electrolyte leakage and chlorophyll content were estimated. Tolerant genotypes (10) registered survival greater than 65%, moderately tolerant (20) betwee...

In the present study, ten RAPD primers were used to assess molecular polymorphism in twenty Jatropha curcas genotypes. A total of 47 amplified products were obtained out of which 44 were polymorphic and 3 were monomorphic. Average polymorphism across twenty genotypes was found to be 93.61 %. For the genotypes tested, 6 to 11 bands were obtained, with an average of 7.83 bands per primer. The siz...

The mule duck, a hybrid produced by crossing a Muscovy drake and a Pekin female, is reported to express inappropriate behavior such as collective avoidance of people, the resulting distress and physical consequences potentially compromising their welfare. The present study was carried out to characterize the responses of mule duck strains from different commercial selection schemes to various s...

An experiment was conducted at the research farm of Assam Agricultural University, Jorhat, during 2020–22 to assess genetic variability among 50 rice (Oryza sativa L.) genotypes with respect ratooning ability and perennation. Out genotypes, only 30 showed different degree ratoon production yield. All showing better mainly belonged photo-insensitive group few were slightly photosensitive. True p...

Maintaining high reproductive output in diverse conditions has consistently been found to promote invasiveness in introduced taxa. Following on this key observation, studies have compared the performance across environments of invasive vs. native congeners, and of introduced vs. native populations within invasive species. Performance differences among genotypes within introduced species have re...

BACKGROUND Polymorphisms in CYP2C19 are related to the metabolic oxidation of drugs to varying degrees. The CYP3A4*18, CYP3A5*3, and MDR1-3435 variant alleles are very important, particularly in tacrolimus metabolism in organ transplant rejection. AIM The aim of this study is o explore possible interactions among different CYP2C19 genotypes, namely, between homozygous extensive metabolizers (...

Beet powdery mildew incited by Erysiphe betae is a serious foliar fungal disease of worldwide distribution causing losses of up to 30%. In the present work, we searched for resistance in a germplasm collection of 184 genotypes of Beta vulgaris including fodder (51 genotypes), garden (60 genotypes), leaf (51 genotypes), and sugar (22 genotypes) beet types. Resistant genotypes were identified in ...