Methionine (Met) requirement studies with homozygous (Na/Na) and heterozygous (Na/na) naked neck meat type chicken utilized 144 birds of average weight (50% each genotype and sex) within two N balance experiments involving both the starter (d10-20) and grower period (d25-35). The birds were randomly allotted to five experimental diets with graded protein supply and Met as the limiting amino aci...

The product of gene 0.3 of bacteriophage T7, ocr, is a potent inhibitor of type I DNA restriction and modification enzymes. We have used biophysical methods to examine the mass, stability, shape and surface charge distribution of ocr. Ocr is a dimeric protein with hydrodynamic behaviour equivalent to a prolate ellipsoid of axial ratio 4.3 +/- 0.7:1 and mass of 27 kDa. The protein is resistant t...

We investigated the HIV-1 protease molecule for the occurrence of cooperative folding units, i.e. structural units that exhibit a relatively stronger protection against unfolding than do other parts of the molecule. Calculated unfolding penalties are used to delineate folding units. This procedure identifies a folding core in HIV-1 protease, based on an ensemble of denatured states derived from...

The gut microbiota plays a vital role in host well-being and lactic acid bacteria (LAB) have gained an overwhelming attention as health promoter. This perception has evolved from traditional dairy products to a money-spinning market of probiotics. The safety of probiotics is coupled to their intended use and LAB may act as pool of antimicrobial resistance genes that could be transferred to path...

18 D-Aspartate (D-Asp) activates an excitatory current in neurons of Aplysia californica. 19 While D-Asp is presumed to activate a subset of L-glutamate (L-Glu) channels, the 20 identities of putative D-Asp receptors and channels are unclear. Whole cell voltage and 21 current clamp studies using primary cultures of Aplysia buccal S cluster (BSC) neurons 22 were executed to characterize D-Asp-ac...

The purpose of this study was to examine the role of the renin-angiotensin system in mediating the hypertension in response to chronic reductions in uterine perfusion pressure (RUPP) in conscious chronically instrumented pregnant rats. Mean arterial pressure was significantly higher in pregnant rats with chronic RUPP (12563.0 mm Hg, P,0.01, n512) than in pregnant rats (10062.3 mm Hg, n517). Pla...

The TonB system of gram-negative bacteria energizes the active transport of diverse nutrients through high-affinity TonB-gated outer membrane transporters using energy derived from the cytoplasmic membrane proton motive force. Cytoplasmic membrane proteins ExbB and ExbD harness the proton gradient to energize TonB, which directly contacts and transmits this energy to ligand-loaded transporters....

Jembatan adalah suatu struktur yang memungkinkan rute transportasi melintasi sungai, danau, kali, jalan raya, kereta api dan lain – lain. Rute berupa, trem, pejalan kaki, rentetan kendaraan Dengan adanya jembatan, maka perekonomian akan semakin lancar begitu juga dengan produktivitas Maka dari itu, untuk membangun Kontruksi benar perhitungan sesuai SNI ketentuan berlaku. Pada penelitian ini yai...

Delonix regia is commonly called Flamboyant or flame of the forest. The seeds were fermented, boiled, sundried and then ground into powdered meal. 40% crude protein based test diets containing seed meal D0 = 0%; D15 15%; D20 20% D25 25% inclusion levels respectively prepared. Red tilapia (Oreochromis niloticus) fingerlings 6 weeks old acclimatized for two stocked in 12 hapas at 15 fish per hapa...

Contextualización: Colombia posee es parte de la diversidad genética primaria distintas especies del género Arracacia, entre las que se destaca Arracacia xanthorrhiza [conocida como arracacha]. Esta especie fuente carbohidratos, vitaminas y minerales, presentando un gran potencial para industria harinas almidones el uso culinario. Vacío investigación: Sin embargo, esta planta poco valorada info...