نتایج جستجو برای: فرایند چهارگامی محاسبه var

تعداد نتایج: 117971  

2018
Kenji Suetsugu Chie Shimaoka Hirokazu Fukunaga Shinichiro Sawa

To elucidate the taxonomy of the Lecanorchis nigricans Honda, 1931 species complex, the present study investigated the detailed morphology of three L. nigricans varieties in Japan. While L. nigricans var. patipetala Y.Sawa, 1980 and L. nigricans var. yakusimensis T.Hashim., 1990 have often been treated as synonyms of L. nigricans var. nigricans, the present study demonstrates that the three var...

2014
Fei Yu Dexiang Wang Xianfeng Yi Xiaoxiao Shi Yakun Huang Hongwu Zhang XinPing Zhang

The Pinus armandii and Quercus aliena var. acuteserrata mixed forest is one of the major forest types in the Qinling Mountains, China. P. armandii is considered to be a pioneer species during succession and it is usually invaded by late successional Q. aliena var. acuteserrata. However, the mechanism that underlies its invasion remains unclear. In the present study, we tracked seed dispersal of...

Journal: :Genetics 2010
Huai Deng Weili Cai Chao Wang Stephanie Lerach Marion Delattre Jack Girton Jørgen Johansen Kristen M Johansen

The essential JIL-1 histone H3S10 kinase is a key regulator of chromatin structure that functions to maintain euchromatic domains while counteracting heterochromatization and gene silencing. In the absence of the JIL-1 kinase, two of the major heterochromatin markers H3K9me2 and HP1a spread in tandem to ectopic locations on the chromosome arms. Here we address the role of the third major hetero...

2014
Antoine Claessens William L. Hamilton Mihir Kekre Thomas D. Otto Adnan Faizullabhoy Julian C. Rayner Dominic Kwiatkowski

The most polymorphic gene family in P. falciparum is the ∼60 var genes distributed across parasite chromosomes, both in the subtelomeres and in internal regions. They encode hypervariable surface proteins known as P. falciparum erythrocyte membrane protein 1 (PfEMP1) that are critical for pathogenesis and immune evasion in Plasmodium falciparum. How var gene sequence diversity is generated is n...

2014
Sihai D. Zhao T. Tony Cai Hongzhe Li

In Section 3 we showed that our method can have more power to detect o-eSNPs. Here we discuss its power to detect SNPs whose functional mechanisms have non-regulatory components. For simplicity we again consider only continuous Yi, Gi, and a single SNP Si in the ordinary linear model, where the variables have all been centered. We now consider the outcome model Yi = G T i αG + αSSi + i1, where ...

2012
Steven Orlov Vera Bril Andrej Orszag Bruce A. Perkins

OBJECTIVE Reduced heart rate variability (HRV) is classically viewed as an early phenomenon in diabetic sensorimotor polyneuropathy (DSP). We aimed to determine the characteristics of HRV across the spectrum of clinical DSP in type 1 diabetes. RESEARCH DESIGN AND METHODS Eighty-nine diabetic subjects and 60 healthy volunteers underwent assessment of RR interval variation (RR(var)) during deep...

Journal: :Zootaxa 2013
Roberto Caldara Valter Fogato

Palaearctic species of the weevil genus Mecinus Germar, 1821 are revised. A total of 47 species are recognized, one of which, M. baridioides sp. n. is new to science. Mecinus dorsalis var. tavaresi Hoffmann, 1958 (stat. rev.) is considered as a distinct species, whereas M. alboscutellatus var. atratulus (Solari, 1933) is maintained as a subspecies of M. alboscutellatus (Hustache, 1913). The fol...

Journal: :NeuroImage 2018
Soroosh Afyouni Thomas E. Nichols

Estimates of functional connectivity using resting state functional Magnetic Resonance Imaging (rs-fMRI) are acutely sensitive to artifacts and large scale nuisance variation. As a result much effort is dedicated to preprocessing rs-fMRI data and using diagnostic measures to identify bad scans. One such diagnostic measure is DVARS, the spatial root mean square of the data after temporal differe...

Journal: :Infection and immunity 1987
K J Kwon-Chung B L Wickes J L Booth H S Vishniac J E Bennett

Cryptococcus neoformans var. neoformans (74 isolates) and C. neoformans var. gattii (44 isolates) were used to test urease activity after growth on both yeast extract-glucose-peptone agar (YEPG) and on YEPG supplemented with 100 microM EDTA. Every isolate grown on YEPG agar for 48 h at 30 degrees C produced a positive reaction within 1 h in a modified rapid urease assay at 37 degrees C. However...

2012
Robert P. Adams Andrea E. Schwarzbach

A robust analysis of Juniperus, sect. Juniperus is presented based on nrDNA and five cpDNA regions. The section is clearly divided into two groups composed of blue and red seed cone species and is composed of four major clades: J. communis and allies; J. cedrus oxycedrus allies; J. brevifolia deltoides navicularis; and a loose clade of J. formosana, f. var. mairei, and J. communis var. jackii. ...

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