2015
DOI: 10.1016/j.rbe.2015.09.004
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Constant fluctuating asymmetry but not directional asymmetry along the geographic distribution of Drosophila antonietae (Diptera, Drosophilidae)

Abstract: RBE 57 1-6 Revista Brasileira de Entomologia xxx (2015) xxx-xxx w w w . r b e n t o m o l o g i a . c o m a b s t r a c tThe population dynamics of a species tends to change from the core to the periphery of its distribution. Therefore, one could expect peripheral populations to be subject to a higher level of stress than more central populations (the center-periphery hypothesis) and consequently should present a higher level of fluctuating asymmetry. To test these predictions we study asymmetry in wing shape … Show more

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Cited by 23 publications
(24 citation statements)
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“…Stressing factors, including limited nutrition and temperature, can lead to developmental instability which may be reflected by asymmetry of bilateral structures or fluctuating asymmetry [28,29]. Symmetry of the length of the D-M wing cell increased relative to the quality of the diet and decreased relative to temperature indicating that both high temperature and poor diet quality increase developmental stress.…”
Section: Discussionmentioning
confidence: 99%
“…Stressing factors, including limited nutrition and temperature, can lead to developmental instability which may be reflected by asymmetry of bilateral structures or fluctuating asymmetry [28,29]. Symmetry of the length of the D-M wing cell increased relative to the quality of the diet and decreased relative to temperature indicating that both high temperature and poor diet quality increase developmental stress.…”
Section: Discussionmentioning
confidence: 99%
“…Поскольку именно ФА считается показателем нестабильности раз-вития, признаки с четкой НА не используются в интег-ральном экологическом мониторинге [23]. Вместе с тем присутствие НА в смеси с ФА и способность направ-ленной асимметрии к наследованию вызывают интерес именно к этому виду асимметрии [12,15,27].…”
Section: система генетического образованияunclassified
“…Известно, что в дис-персионном анализе направленная асимметрия в смеси с ФА дает нежелательный «скос» (bias) в величине ФА. Это обстоятельство не мешает определять величину НА, однако фенотипический эффект флуктуирующей асиммет-рии остается недоступным для определения [12,27].…”
Section: система генетического образованияunclassified
“…Bilateral asymmetries are found in every living being. The disturbances in symmetry can indicate individual or population‐related developmental stress, or pathological conditions, or might be a signal of a relation between structurally or functionally interacting elements (Costa, Mateus, & Moura, ), so a non‐symmetrical structure is not necessarily dissymmetrical, for example pathological. Like many other skeletal structures, the mandible is generally assumed to be bilaterally symmetrical.…”
Section: Introductionmentioning
confidence: 99%