نتایج جستجو برای: alkalization
تعداد نتایج: 378 فیلتر نتایج به سال:
Many and complex plant-bacteria inter-relationships are found in the rhizosphere, since plants release a variety of photosynthetic exudates from their roots and rhizobacteria produce multifaceted specialized compounds including rich mixtures of volatiles, e.g., the bouquet of Serratia odorifera 4Rx13 is composed of up to 100 volatile organic and inorganic compounds. Here we show that when growi...
For optimal cellular function a stable extracellular pH is needed [1]. There are several cellular and extra-cellular buffer systems in the body that interacts to maintain a stable extracellular pH. But in neonates to keep a stable extracellular pH poses a challenge due to the higher production of acids as compared to adults, which is three times higher as compared to adults. The most important ...
β Blockers such as propranolol and labetalol are known to induce toxic myopathy because of their partial β2 adrenoceptor agonistic effect. Nebivolol has the highest β1 receptor affinity among β blockers, and it has never been reported to induce rhabdomyolysis until now. We report a patient who developed rhabdomyolysis after changing medication to nebivolol. A 75-year-old woman was admitted to o...
When plants are threaten by microbial attacks or treated with elicitors, alkalization of extracellular space is often induced and thus pH-dependent extracellular peroxidase-mediated oxidative burst reportedly takes place, especially at the site of microbial challenge. However, direct stimulus involved in activation of peroxidase-catalyzed oxidative burst has not been identified to date. Here, w...
Voltage-dependent inactivation of ion channels contributes to the regulation of the membrane potential of excitable cells. Mouse polycystic kidney disease 2-like 1 (PKD2L1) forms voltage-dependent nonselective cation channels, which are activated but subsequently inactivated in response to membrane depolarization. Here, we found that the mutation of an asparagine 533 residue (N533Q) in the oute...
Calcium in the flagellum controls sperm navigation. In sperm of marine invertebrates and mammals, Ca(2+) signalling has been intensely studied, whereas for fish little is known. In sea urchin sperm, a cyclic nucleotide-gated K(+) channel (CNGK) mediates a cGMP-induced hyperpolarization that evokes Ca(2+) influx. Here, we identify in sperm of the freshwater fish Danio rerio a novel CNGK family m...
The products of the reaction of ninhydrin with a-amino acids are, in general, the corresponding aldehyde of one less carbon atom than the original compound, COZ, and, at pH 5 to 7, an intensely colored compound (thought to be the anion of diketohydrindylidene-diketohydrindamine), which contains nitrogen from the amino acid. If the pH is kept at 2.5 or lower, this colored compound is not produce...
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