softening and microbial activity are the most common problems of kiwifruit during storage. in order to improve these problems, pre- harvest treatments of putrescine and spermidine were studied on shelf life of kiwifruit cv. hayward. foliar spraying of different concentrations of purescine (0, 1 and 2 mm) and spermidine (0, 1 and 2 mm) has been done at 40 and 20 days before harvest. different ch...

Manure applications can benefit crop productivity by adding required nutrients and organic matter to soil. There is a paucity of information on how soil microbial community dynamics will be altered by the application of manure to different landscape positions. Thus, an in situ field study was conducted during the summer and winter months to evaluate microbiological properties of three soil type...

statement of problem: rotary dental instruments (i-e. iow speed and high speed handpieces), due to infection spread high potentiality, should be sterilized between dental visits for each patient. when a high speed rotary instrument pauses at a high velocity, contaminated fluids like blood and saliva will be sucked into its tubes.purpose: the aim of this study was to compare the bactericidal eff...

We observed physiological and metabolic activity of Shewanella oneidensis strain MR1 and Escherichia coli strain MG1655 at pressures of 68 to 1680 megapascals (MPa) in diamond anvil cells. We measured biological formate oxidation at high pressures (68 to 1060 MPa). At pressures of 1200 to 1600 MPa, living bacteria resided in fluid inclusions in ice-VI crystals and continued to be viable upon su...

In a ruminant the omasum forms a relatively small ovoid chamber connecting the reticulum to the abomasum. The two orifices are fairly close together and connected by a channel in the omasal wall. The internal structure has been likened to a loosely-closed book with sheets of tissue forming the leaves and the spine opposite to the channel. ‘The omasal leaves are of various sizes; all leaves atta...

bengal, asparagus agar (Allen, 1951), asparagus agar plus 1:80,000 crystal violet, and asparagus agar plus 1:15,000 rose bengal. The addition of dyes decreased the number of contaminants but also appeared to inhibit the development of the rhizobia. All plates were examined daily for 2 weeks. Smears of colonies which resembled rhizobia were examined. Pure cultures were obtained by the use of bot...

amphibians have a large variety of antimicrobial peptides that serve as natural innate barriers limiting microbial infection or, in some instances, act as an integral component in response to inflammation or microbial infection. a novel peptide with antibacterial effects and without hemolytic activity was purified from skin secretions of rana ridibunda by multisteps cation-exchange fplc, revers...