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19 行 · 2006-9-14 · Quantitative estimation of phenotypic plasticity is, however, more than the appropriate choice of an index. It is as an integrated process that involves a robust experimental design, a correct choice and understanding of the trait, a detailed dissection of all sources of phenotypic variation, and a correct incorporation of developmental drift ...
Get Price2006-9-14 · Quantitative estimation of phenotypic plasticity: bridging the gap between the evolutionary concept and its ecological applications FERNANDO VALLADARES , Instituto de Recursos Naturales, Centro de Ciencias Medioambientales, CSIC Serrano 115, Madrid E-28006, Spain, and Departamento de Ecología, Universidad de Alcalá, Alcalá de Henares, Madrid ...
Get Pricestep in ecological approaches to phenotypic plasticity is the quantitative estimation of the phenotypic change induced by the environment, which is of particular relevance in comparative studies of different species and populations (Valladares et al. 2000a, 2005a; Balaguer et al. 2001). This estimation …
Get Price2006-11-1 · Read 'Quantitative estimation of phenotypic plasticity: bridging the gap between the evolutionary concept and its ecological applications, Journal of Ecology' on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.
Get PriceQuantitative estimation of phenotypic plasticity: bridging the gap between the evolutionary concept and its ecological applications
Get Price2013-7-9 · The model combines demographic population properties (e.g., generation time, maximum intrinsic growth rate) with quantitative genetic measures (e.g., additive genetic variance, strength of stabilising selection on traits sensitive to climate change), and allows for phenotypic plasticity by incorporating the effect of the environment on the trait.
Get Price2020-9-4 · FERNANDO VALLADARES, DAVID SANCHEZ-GOMEZ, MIGUEL A. ZAVALA Quantitative estimation of phenotypic plasticity: bridging the gap between the evolutionary concept and its ecological applications, Journal of Ecology 94, no.6 6 (Nov 2006): 1103–1116.
Get Price2018-10-7 · The phenotypic plasticity of cancer cells has received special attention in recent years. Even though related models have been widely studied in terms of mathematical properties, a thorough statistical analysis on parameter estimation and model selection is still very lacking.
Get Price1995-5-1 · Phenotypic plasticity is an environmentally based change in the phenotype. Understanding the evolution of adaptive phenotypic plasticity has been hampered by dissenting opinions on the merits of different methods of description, on the underlying genetic mechanisms, and on the way that plasticity is affected by natural selection in a heterogeneous environment.
Get PricePhenotypic plasticity in response to temperature fluctuations is genetically variable, ... and this result has been corroborated in a field study in Italy and Sweden (Ǻgren and Schemske 2012). Vile and co-workers ... Quantitative estimation of phenotypic plasticity: bridging …
Get Price2002-12-20 · An increase in phenotypic plasticity under selection is therefore promoted under a several sets of conditions. Assume that the genetic variances in the two environments are identical: V A (g 1)=V A (g 2). In that case the condition for increase of phenotypic plasticity implies that V A − cov A f …
Get Price2007-5-16 · 表型可塑性是植物与环境相互作用而表现出的一种适应能力，表现为积极的响应和消极的响应。可塑性不仅可以作为性状遗传，也可接受进化，但适应进化的前提条件是遗传变异和自然选择，同时受可塑性代价和限制条件所局限，这些问题可通过先进的生物手段逐渐找到答案，并得到解决。
Get Price2019-7-24 · To our knowledge, no studies yet have investigated the plasticity of pigmentation at lower latitudes. Figure 1. Estimation of surface irradiance of UV-B (300 nm) at a high-latitude location (Lund, Sweden; 55.71°N, 13.20°E) and a low-latitude location near the focal study sites (Nassau, The Bahamas; 25.05°N, 77.40°W) across the year during 2017.
Get Price2016-5-4 · tion in phenotypic plasticity can be identified: (i) equal plasticity and no local adaptation across the species distri-bution, (ii) local adaptation across the range but equal plas-ticity, (iii) higher plasticity in central areas, (iv) higher plasticity at leading edges and (v) higher plasticity at mar-gins (Valladares et al. 2014).
Get Price2014-5-15 · Yet phenotypic plasticity itself can also be considered a trait where selection acts (Schlichting 1986, Pigliucci 2005), so we expect both genetic variation and plasticity to increase under selective forces such as environmental variability (Lande 2009, Dawson et al. 2011).
Get Price2018-2-21 · Background Due to habitat loss and fragmentation, numerous forest species are subject to severe population decline. Investigating variation in genetic diversity, phenotypic plasticity and local adaptation should be a prerequisite for implementing conservation actions. This study aimed to explore these aspects in ten fragmented populations of Physospermum cornubiense in view of translocation ...
Get Price2021-4-15 · Correlational selection is selection on the basis of combinations of traits. This Review demonstrates how considering correlational selection through a genomics lens will enhance integration of ...
Get Price2019-4-1 · The rough periwinkle Littorina saxatilis is characterised for showing shell phenotypic variation associated to environmental clines and this is found in parallel across shores. In order to disentangle the additive genetic effects and the environmental factors involved in this variation, we analysed natural populations subjected to a gradient in wave exposure and crab predation in 3 different ...
Get PricePhenotypic plasticity in response to temperature fluctuations is genetically variable, ... and this result has been corroborated in a field study in Italy and Sweden (Ǻgren and Schemske 2012). Vile and co-workers ... Quantitative estimation of phenotypic plasticity: bridging …
Get Price2018-3-8 · Phenotypic plasticity, the expression of multiple phenotypes from one genome, is a widespread adaptation to short-term environmental fluctuations, but whether it facilitates evolutionary ...
Get Price2015-10-7 · 1. Introduction. Phenotypic plasticity is the ability of a genotype to produce more than one phenotype depending upon the environment [].The value of adaptive phenotypic plasticity is that it generates environment-specific phenotypes that are similar to what would be expected by a locally adapted specialist to that environment [1,2], thus reflecting what would be favoured by selection.
Get Price2007-5-16 · 表型可塑性是植物与环境相互作用而表现出的一种适应能力，表现为积极的响应和消极的响应。可塑性不仅可以作为性状遗传，也可接受进化，但适应进化的前提条件是遗传变异和自然选择，同时受可塑性代价和限制条件所局限，这些问题可通过先进的生物手段逐渐找到答案，并得到解决。
Get Price395 353 and 2 become: In the general reaction norm model of phenotypic 396 F G F Dg]1 GF G R 1 VAs g1d covAs g1 ,g2d f1 b 1 plasticity (Gavrilets and Scheiner, 1993a,b), the 397 354 Dg ] 5] ] cov s g ,g d V s g d w f b quantitative trait is written as a linear combination of 398 2 A 1 2 A 2 2 2 R genetically determined coefficients gi and ...
Get Price2014-5-15 · Yet phenotypic plasticity itself can also be considered a trait where selection acts (Schlichting 1986, Pigliucci 2005), so we expect both genetic variation and plasticity to increase under selective forces such as environmental variability (Lande 2009, Dawson et al. 2011).
Get Price2015-9-22 · macro-environmental sensitivity or phenotypic plasticity [6,10,11]. Other examples of studies on wild life populations include analyses of great tit [12] and butterfly [13] populations that showed the existence of genetic variation in phenotypic plasticity to temperature change.
Get PriceExamples of time-related phenotypic plasticity from maritime pine and poplar experiments showed how either short-term change in wood density or repeated assessments of the same trait over several climatically contrasted years can provide a very interesting tool for obtaining individual plasticity …
Get Price2021-6-10 · Contrasting patterns of phenotypic plasticity in reproductive traits in two great tit (Parus major) populations. Evolution 64 (8), 2221-2237. 2009. Husby A, Kruuk LEB, & Visser ME. 2009. Decline in the frequency and benefits of multiple brooding in great …
Get PriceTo quantitatively assess phenotypic plasticity, different indices have been employed. Specific leaf area (SLA, the ratio between leaf area and leaf dry mass) is a main morphological index, which responds to a wide range of environmental stimuli, including drought, heat, and high light [11,12].SLA components, such as whole-leaf thickness, thickness of adaxial/abaxial epidermis, proportion of ...
Get Price2013-7-4 · Methods. In this section, we describe the assumed quantitative genetic model underlying genetic variance for macro- and micro-environmental sensitivities, the statistical model to estimate genetic variance in macro- and micro-environmental sensitivities, and the AIC based on an approximation of the h-likelihood that can be used to select the best fitting model.
Get Price2001-9-25 · Biodiversity plays a vital role for ecosystem functioning in a changing environment. Yet theoretical approaches that incorporate diversity into classical ecosystem theory do not provide a general dynamic theory based on mechanistic principles. In this paper, we suggest that approaches developed for quantitative genetics can be extended to ecosystem functioning by modeling the means and ...
Get Price2012-2-22 · Birds have been shown to adjust their breeding time to varying spring temperatures through phenotypic plasticity (Gienapp et al. 2008), which has allowed them to partially track directional advances in their food peak. However, we show that the benefit of breeding at a certain moment depends strongly on the seasonality of the breeding habitat ...
Get Price2008-3-5 · Quantitative genetic parameters are nowadays more frequently estimated with restricted maximum likelihood using the ‘animal model’ than with traditional methods such as parent-offspring regressions. These methods have however rarely been evaluated using equivalent data sets. We compare heritabilities and genetic correlations from animal model and parent-offspring analyses, …
Get Price2017-5-23 · Nectarless flowers that deceive pollinators offer an opportunity to study asymmetric plant-insect interactions. Orchids are a widely used model for studying these interactions because they encompass several thousand species adopting deceptive pollination systems. High levels of intra-specific phenotypic variation have been reported in deceptive orchids, suggesting a reduced consistency of ...
Get Price2019-11-8 · Dr. Guoyan Zheng received his B.E. degree in 1992 and M.S. degree in 1995 in Biomedical Engineering from Southern Medical University, GuangZhou, China, and Ph.D. degree in 2002 in Biomedical Engineering from the University of Bern, Bern, Switzerland. From 2003 until the end of 2018, he was with the University of Bern, first as a Post-doc (2003 ...
Get Price2014-6-20 · The recent advances in gene expression analysis as well as protein and metabolite quantification enable genome-scale capturing of complex biological processes at the molecular level in crop field trials. This opens up new possibilities for understanding the molecular and environmental complexity of field-based systems and thus shedding light on the black box between genotype and …
Get Price2015-5-7 · Understanding the genetic basis of traits involved in adaptation is a major challenge in evolutionary biology but remains poorly understood. Here, we use genome-wide association mapping using a custom 50 k single nucleotide polymorphism (SNP) array in a natural population of collared flycatchers to examine the genetic basis of clutch size, an important life-history trait in many animal …
Get Price2020-9-4 · Phenotypic Selection on a Heritable Size Trait Revisited. †Present address: Division of Population Biology, Department of Ecology and Systematics, University of Helsinki, P.O. Box 17 (Arkadiankatu 7), FIN‐00014 Helsinki, Finland. 1. Institute of Cell, Animal, and Population Biology, King’s Buildings, University of Edinburgh, Edinburgh EH9 ...
Get Price2001-9-25 · Biodiversity plays a vital role for ecosystem functioning in a changing environment. Yet theoretical approaches that incorporate diversity into classical ecosystem theory do not provide a general dynamic theory based on mechanistic principles. In this paper, we suggest that approaches developed for quantitative genetics can be extended to ecosystem functioning by modeling the means and ...
Get PriceThe phenotypic plasticity in obligate calcifiers could be more restricted when it comes to morphological innovation and biogeochemical output compared to nonobligate calcifiers, who can regulate their calcification rates (and thus PIC : POC ratio) to zero and overcome carbon limitation or other environmental stressors such as ocean ...
Get PriceVariable individual responses to environmental changes, such as phenotype plasticity, are heritable, with some genotypes being robust and others plastic. This variation for plasticity contributes to variance in complex traits as genotype-by-environment interactions (G × E). However, the genetic basis of this variability in responses to the same external stimuli is still largely unknown.
Get Price2012-2-22 · Birds have been shown to adjust their breeding time to varying spring temperatures through phenotypic plasticity (Gienapp et al. 2008), which has allowed them to partially track directional advances in their food peak. However, we show that the benefit of breeding at a certain moment depends strongly on the seasonality of the breeding habitat ...
Get Price2010-12-23 · Association mapping is rapidly becoming the main method for dissecting the genetic architecture of complex traits in plants. Currently most association mapping studies in plants are preformed using sets of genes selected to be putative candidates for the trait of interest, but rapid developments in genomics will allow for genome-wide mapping in virtually any plant species in the …
Get Price2017-5-23 · Nectarless flowers that deceive pollinators offer an opportunity to study asymmetric plant-insect interactions. Orchids are a widely used model for studying these interactions because they encompass several thousand species adopting deceptive pollination systems. High levels of intra-specific phenotypic variation have been reported in deceptive orchids, suggesting a reduced consistency of ...
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Get PriceCellJune 9, 2016. In Brief. Genomic sequencing analysis of over 1,000 natural inbred lines of Arabidopsis thaliana reveals its global population structure, migration patterns, and evolutionary history and provides a rich genetic resource for studying phenotypic variation and adaptation. Full-Text.
Get Price2012-6-6 · About Frederico Martins. Dr. Frederico Martins is pharmacist with a PhD in Pharmaceutical Sciences from the University of São Paulo, Brazil. Prior to joining esqLABS, Dr. Martins worked as a pharmacometrics leader at Galapagos Pharmaceuticals in Paris, France, and Certara’s SimCYP division in Sheffield, England.
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