نتایج جستجو برای: اشریشیاکلی k12

تعداد نتایج: 2847  

2013
Ruma Kareem K. Ajeena Hailiza Kamarulhaili

In this work, we proposed a new approach called integer sub-decomposition (ISD) based on the GLV idea to compute any multiple kP of a point P of order n lying on an elliptic curve E. This approach uses two fast endomorphisms ψ1 and ψ2 of E over prime field Fp to calculate kP. The basic idea of ISD method is to sub-decompose the returned values k1 and k2 lying outside the range √ n from the GLV ...

2008
Sandra S. Padula M. I. Nagy

Squeezed correlations of particle-antiparticle pairs, also called Back-toBack Correlations, are predicted to appear if the hadron masses are modified in the hot and dense hadronic medium formed in high energy nucleus-nucleus collisions. Although well-established theoretically, the squeezed-particle correlations have not yet been searched for experimentally in high energy hadronic or heavy ion c...

Journal: :Jurnal Agronomi Tanaman Tropika (JUATIKA) 2021

The supply of hydroponic nutrients needs to consider economic, practical and resource saving aspects. It is necessary know the best composition type that can be used in a system. use liquid organic fertilizers (POC) as an alternative nutrients, especially wick system, has already begun including widely available such NPK + Gandasil utilizing chicken feather waste been made form fertilizer. This...

Journal: :The Journal of biological chemistry 1978
P A Briley L Sibilli M A Chalvignac P Cossart G Le Bras A De Wolf G N Cohen

The sequence of the first 25 residues of the homoserine dehydrogenase fragment, produced by limited proteolysis of aspartokinase I-homoserine dehydrogenase I with substilisin, has been determined. The sequence of a cyanogen bromide peptide (CB5, 59 residues), isolated from the entire protein, is also presented. Residues 1 to 18 of the subtilisin homoserine dehydrogenase fragment match the seque...

Journal: :Genetics and molecular research : GMR 2013
J C O Guerra P Licinio P C P Andrade

Period-3 oscillations in genome composition can be detected through correlation functions. Since these oscillations are closely related to the genetic code structure, we developed methods for quantitative comparison of genomic and exonic oscillation amplitudes and decay. In contrast to genomic correlations, exonic period-3 oscillation amplitudes are persistent. A model postulating an uncorrelat...

Journal: :FEMS Microbiology Ecology 1991

Journal: :Zeitschrift fur Naturforschung. Section C, Biosciences 1980
S I Ahmad

When grown in thymine-free minimal synthetic medium, thyA recA mutants of Escherichia coli K12 were comparatively more resistant and thyA recBC mutants more sensitive to thymineless death (TLD) than their respective parent strains. No excessive numbers of single-strand breaks were observed in the DNA of the recBC mutant strain starved for thymine, hence the hypersensitivity for TLD in this stra...

Journal: :Journal of bacteriology 1958
E BOREK A RYAN

A role of an intermediary agent in protein synthesis has been postulated for ribonucleic acid (RNA) (Brachet, 1955). However, the evidence for this hypothesis is still largely circumstantial and the details of the mechanism are unknown at the present time. In our studies on the lysogenie strain, Escherichia coli strain K12, we encountered an anomalous mutant which lends itself to a study of a p...

ژورنال: :مجله علمی - پژوهشی دانشگاه علوم پزشکی سبزوار 2014
فخری حقی مرضیه بیات حبیب ضیغمی

سابقه و هدف: اشریشیا کلی انتروپاتوژنیک دلیل عمده اسهال نوزادان در سرتاسر جهان و تهدید بومی مهمی برای سلامت کودکان درکشورهای در حال توسعه به شمار می آید. افزایش مقاومت آنتی بیوتیکی باکتری های پاتوژن به ویژه در کودکان به عنوان یکی از مشکلات بهداشت جهانی محسوب می شود. هدف از این مطالعه بررسی وضعیت مقاومت آنتی بیوتیکی و مقاومت چند دارویی در انتروپاتوژنیک های جدا شده از کودکان مبتلا به اسهال مراجعه ...

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