نتایج جستجو برای: cold adapted

تعداد نتایج: 181909  

Journal: :Biochemical Society transactions 1986
B Cannon J Nedergaard

25 1-268 Seydoux, J., Trimble, E. R., Bouillaud, F., Assimacopoulos-Jeannet, F., Bas, S., Ricquier, D., Giacobino, J. P. & Girardier, L. (1984) FEBS Lett. 166, 141-145 Shibata, H. & Nagasaka, T. (1984) Jap. J. Physiol. 34, 103-1 11 Sundin, ‘U. & Fain, J. N. (1983) Biochem. Pharmacol. 32, 3117-3120 Sundin, U., Mills, I. & Fain, J. N. (1984) Metabolism 33, 1028-1033 Szillat, D. & Bukowiecki, L. J...

Journal: :Metallomics : integrated biometal science 2013
Thomas H Osborne Matthew D Heath Andrew C R Martin Jaroslaw A Pankowski Karen A Hudson-Edwards Joanne M Santini

Polaromonas sp. str. GM1 is an aerobic, psychrotolerant, heterotrophic member of the Betaproteobacteria and is the only isolate capable of oxidising arsenite at temperatures below 10 °C. Sequencing of the aio gene cluster in GM1 revealed the presence of the aioB and aioA genes, which encode the arsenite oxidase but the regulatory genes typically found upstream of aioB in other members of the Pr...

Journal: :The Journal of experimental biology 1974
R V Krishnamoorthy N Shakunthala

1. Haematological and respiratory parameters (including RBC count, CO2 content and percentage oxygen saturation) were studied in coldacclimated (12 ± 1 °C) and normal frogs (23 + 2 °C). 2. Seasonal variation in RBC count was found, the count being higher in January than in September. Females showed higher counts than males. Coldacclimation resulted in the elevation of counts in all seasons and ...

Journal: :Applied and environmental microbiology 2001
A Hoyoux I Jennes P Dubois S Genicot F Dubail J M François E Baise G Feller C Gerday

The beta-galactosidase from the Antarctic gram-negative bacterium Pseudoalteromonas haloplanktis TAE 79 was purified to homogeneity. The nucleotide sequence and the NH(2)-terminal amino acid sequence of the purified enzyme indicate that the beta-galactosidase subunit is composed of 1,038 amino acids with a calculated M(r) of 118,068. This beta-galactosidase shares structural properties with Esc...

Journal: :Journal of bacteriology 2012
Sei-Heon Jang Junsung Kim Junyoung Kim Seunghee Hong ChangWoo Lee

Pseudomonas mandelii is a cold-adapted bacterium that can grow at 4°C but not at 37°C. Here we report the draft genome sequence of P. mandelii strain JR-1.

Journal: :Applied and environmental microbiology 2008
Emma R Master Nathalie Y R Agar Leticia Gómez-Gil Justin B Powlowski William W Mohn Lindsay D Eltis

Biphenyl dioxygenase from the psychrotolerant bacterium Pseudomonas sp. strain Cam-1 (BPDO(Cam-1)) was purified and found to have an apparent k(cat) for biphenyl of 1.1 +/- 0.1 s(-1) (mean +/- standard deviation) at 4 degrees C. In contrast, BPDO(LB400) from the mesophile Burkholderia xenovorans LB400 had no detectable activity at this temperature. At 57 degrees C, the half-life of the BPDO(Cam...

2016
Margarita Santiago César A. Ramírez-Sarmiento Ricardo A. Zamora Loreto P. Parra

Cold-active enzymes constitute an attractive resource for biotechnological applications. Their high catalytic activity at temperatures below 25°C makes them excellent biocatalysts that eliminate the need of heating processes hampering the quality, sustainability, and cost-effectiveness of industrial production. Here we provide a review of the isolation and characterization of novel cold-active ...

Journal: :FASEB journal : official publication of the Federation of American Societies for Experimental Biology 2015
Sébastien M Labbé Alexandre Caron Inan Bakan Mathieu Laplante André C Carpentier Roger Lecomte Denis Richard

The present study was designed to investigate the effects of cold on brown adipose tissue (BAT) energy substrate utilization in vivo using the positron emission tomography tracers [(18)F]fluorodeoxyglucose (glucose uptake), 14(R,S)-[(18)F]fluoro-6-thia-heptadecanoic acid [nonesterified fatty acid (NEFA) uptake], and [(11)C]acetate (oxidative activity). The measurements were performed in rats ad...

Journal: :JAMA 2005
Hector S Izurieta Penina Haber Robert P Wise John Iskander Douglas Pratt ChrisAnna Mink Soju Chang M Miles Braun Robert Ball

CONTEXT In June 2003, the US Food and Drug Administration licensed a trivalent live, attenuated influenza vaccine (LAIV-T) for intranasal administration to healthy persons 5 to 49 years of age. Although prelicensure testing involved 20 228 vaccinees, clinical trials were not of sufficient size to detect rare adverse events reliably. OBJECTIVE To identify adverse events reported following LAIV...

2017
Mario Carrasco Jennifer Alcaíno Víctor Cifuentes Marcelo Baeza

BACKGROUND Amylases are used in various industrial processes and a key requirement for the efficiency of these processes is the use of enzymes with high catalytic activity at ambient temperature. Unfortunately, most amylases isolated from bacteria and filamentous fungi have optimal activity above 45 °C and low pH. For example, the most commonly used industrial glucoamylases, a type of amylase t...

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