Xylanase A (Pf Xyn10A), in common with several other Pseudomonas fluorescens subsp. cellulosa polysaccharidases, consists of a Type II cellulose-binding domain (CBD), a catalytic domain (Pf Xyn10A(CD)) and an internal domain that exhibits homology to Type X CBDs. The Type X CBD of Pf Xyn10A, expressed as a discrete entity (CBD(X)) or fused to the catalytic domain (Pf Xyn10A'), bound to amorphou...

Background Global warming, environmental disasters, and increasing oil prices have catalyzed a worldwide trend to use plant biomass as a renewable source for liquid biofuels and bio-based materials. Plant biomass can be processed into fermentable sugars by enzymatic depolymerization of the cell wall polysaccharides, followed by fermentation. However, the presence of lignin in the cell wall cons...

Sperm mediated gene transfer can be an inexpensive and simple method in animal transgenesis; however its efficiency is poor, mainly due to the spermatozoa’s lesser uptake of exogenous DNA. In the present study, the effects of lipofection and other augmentation techniques, such as sperm freezing and spermatozoa treatment with triton X100 and DMSO, on exogenous DNA uptake by sheep spermatozoa and...

Aims of the study: Endometriosis is a prevalent gynecologic disorder in young women at reproductiveage but the underlying risk factors have not identified yet in Iran and other neighboringcountries. Persistent exposure to environmental endocrine disrupting chemicals (EDCs) in particulardioxins, PAHs and polychlorinated biphenyls (PCBs) with xenoestrogenic potentials have beenhypothesized in the...

The value of dietary exogenous enzymes in promoting growth and efficiency of feed utilization is well recognized in poultry industry. In a case of high-cost yellow corn, several feed producers are choosing to replace yellow corn with other ingredients that have lower nutritional value like triticale, wheat, barley or sorghum. These crops are rich in non-starch polysaccharides (NSPs), and there ...

to clarify the underlying physiological mechanism of gibberellic acid (ga) in cold tolerance, the effects of exogenous ga3 on malondialdehyde (mda), osmoregulation substances and endogenous hormones levels in the tiller nodes of two wheat cultivars, namely, dongnongdongmai 1 (a cold insensitive cultivar) and jimai 22 (a cold sensitive cultivar), were investigated at three periods of cold winter...

background & aim: the world production and consumption of essential oils and perfumes are increasing very fast. lippia citriodora h.b.k. is an herbal species mainly used as a spice and medicinal plant. endogenous levels as well exogenous application of plant growth regulators (pgr) could affect essential oil production and chemical compositions. experimental: to study the effect of exogenou...

BACKGROUND A study to evaluate the impact of a combined intervention (in-class and on-line training courses, a practicum and economic incentives) to improve anti-osteoporosis treatment and to improve recordkeeping for specific information about osteoporosis. METHODS/DESIGN A before/after study with a non-equivalent control group to evaluate the impact of the interventions associated with part...

The size of the infraorbital foramen (IOF) has been used in drawing both phylogenetic and ecological inferences regarding fossil taxa. Within the order Primates, frugivores have relatively larger IOFs than folivores or insectivores. This study uses relative IOF size in lemurs to test prior trophic inferences for subfossil lemurs and to explore the pattern of variation within and across lemur fa...