نتایج جستجو برای: Acer

تعداد نتایج: 3578  

Journal: :The Journal of experimental biology 2011
Ahmet Carhan Ke Tang Christine A Shirras Alan D Shirras R Elwyn Isaac

Drosophila Acer (Angiotensin-converting enzyme-related) encodes a member of the angiotensin-converting enzyme family of metallopeptidases that have important roles in the endocrine regulation of blood homeostasis in mammals. Acer is expressed in the embryonic heart of Drosophila and expression in the adult head appears to be regulated by two clock genes. To study the role of Acer in development...

2015

A Abelia 131 Abelmoschus esculentus 371 Abies 112 Abies beshanzuensis 29 Abies beshanzuensis var. ziyuanensis 124 Abies delavayi 124 Abies delavayi var. motuoensis 193 Abies densa 124 Abies ernestii 122 Abies fanjingshanensis 25 Abies fargesii 124 Abies fargesii var. faxoniana 124 Abies ferreana 310 Abies firma 378 Abies forrestii 19 Abies georgei 124 Abies holophylla 152 Abies kawakamii 196 Ab...

2016
Alexandre Collin Christian Messier Benoît Côté Mario Fontana Nicolas Bélanger

Citation: Collin A, Messier C, Côté B, Fontana M and Bélanger N (2016) Contrasting Nutritional Acclimation of Sugar Maple (Acer saccharum Marsh.) and Red Maple (Acer rubrum L.) to Increasing Conifers and Soil Acidity as Demonstrated by Foliar Nutrient Balances. Front. Ecol. Evol. 4:85. doi: 10.3389/fevo.2016.00085 Contrasting Nutritional Acclimation of Sugar Maple (Acer saccharum Marsh.) and Re...

2013
LL Wong CC Chan JL Leung CY Yung KK Wu SYY Cheung CLM Lam

BACKGROUND There is no valid instrument for multidomain cognitive assessment to aid the detection of mild cognitive impairment (MCI) and mild dementia in Hong Kong. This study aimed to validate the Cantonese Addenbrooke's Cognitive Examination Revised (C-ACER) in the identification of MCI and dementia. METHODS 147 participants (Dementia, n = 54; MCI, n = 50; controls, n = 43) aged 60 or above...

1999

--The purpose of this paper is to identify the potentials of Acer negundo for renaturalization under midcity condrtions. --+The focus is on recent Montreal experiences. Acer negundo in the past planted mostly in its colored -leaf varieties, is hardly available anymore in the nurseries. Despite this, and despite the fact that Acer negundo is not native to our region, it has established an increa...

Journal: :Ecological applications : a publication of the Ecological Society of America 2006
Kurt O Reinhart Julie Gurnee Reyes Tirado Ragan M Callaway

The effects of invasive nonnative species on community composition are well documented. However, few studies have determined the mechanisms by which invaders drive these changes. The literature indicates that many nonnative plant species alter light availability differently than natives in a given community, suggesting that shading may be such a mechanism. We compared light quantity (photosynth...

2008
Maya Kurteva Katerina Stambolieva

Acer pseudoplatanus L., Acer platanoides L. and Betula pendula Roth. have been studied under the urban pollution in Sofia during 3 years period. The aim of the study was, by statistical multifactorial analysis, to assess the value changes in morphological parameters of species under air pollution and potential for species usage as bioindicators in observed regions. The statistical analysis incl...

Journal: :Systematic biology 2008
Susanne S Renner Guido W Grimm Gerald M Schneeweiss Tod F Stuessy Robert E Ricklefs

Simulations suggest that molecular clock analyses can correctly identify the root of a tree even when the clock assumption is severely violated. Clock-based rooting of phylogenies may be particularly useful when outgroup rooting is problematic. Here, we explore relaxed-clock rooting in the Acer/Dipteronia clade of Sapindaceae, which comprises genera of highly uneven species richness and problem...

Journal: :Mycological research 2005
Simon Hirose Seinosuke Tanda Levente Kiss Banga Grigaliunaite Maria Havrylenko Susumu Takamatsu

To understand the phylogenetic relationships and evolution of the powdery mildew genus Sawadaea (Ascomycota: Erysiphaceae), obligate parasitic fungi of maples, we performed molecular phylogenetic analyses based on 47 ITS and ten 28S rDNA sequences. Seven major clades of Sawadaea, each represented by powdery mildew specimens collected from a single or a small number of closely related sections o...

2011
Arvid Naess

The paper focuses on the extension of the ACER method for prediction of extreme value statistics to the case of bivariate time series. Using the ACER method it is possible to provide an estimate of the exact extreme value distribution of a univariate time series. This is obtained by introducing a cascade of conditioning approximations to the exact extreme value distribution. When this cascade h...

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