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Environmental effects on developmental progression and growth in Drosophila

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Organisms in the wild live in highly variable and unpredictable environments, environments that interfere with and affect their development. We explore the mechanisms through which the environment alters developmental progression and growth to generate adult of the appropriate size and shape in the fruit fly Drosophila melanogaster. To do this, we study 1) changes in the progression of pattern of the wing imaginal disc under a range of environmental/physiological conditions, 2) the physiological underpinnings of patterning progression in response to nutrition and 3) how the nutrition-dependent production of hormones regulates developmental transitions to control developmental time and body size. These studies uncover the developmental mechanisms underlying phenotypic plasticity in Drosophila, results that will be of relevance to regulating environmentally-induced development in many organisms.

This talk is part of the Evolution and Development Seminar Series series.

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