نتایج جستجو برای: Acer
تعداد نتایج: 3578 فیلتر نتایج به سال:
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...
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...
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...
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...
--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...
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...
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...
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...
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...
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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