Aestivation: Molecular and Physiological Aspects by Philip C. Withers, Christine E. Cooper (auth.), Carlos PDF

By Philip C. Withers, Christine E. Cooper (auth.), Carlos Arturo Navas, José Eduardo Carvalho (eds.)

ISBN-10: 3642024203

ISBN-13: 9783642024207

ISBN-10: 3642024211

ISBN-13: 9783642024214

Numerous animal species reside in environments characterised by way of a seasonal relief within the availability of water, which regularly yet no longer regularly happens while temperatures are maximum. for lots of such animals, survival through the hardest season calls for spending lengthy classes of time in a slightly inactive country referred to as aestivation. yet aestivation is way greater than final inactive. profitable aestivation calls for the choice of a formal microhabitat, variable levels of metabolic arrest and responsiveness to exterior stimuli, the power to experience the correct time of 12 months for emergence, the maintenance of inactive tissue, and masses extra. So, aestivation comprises a fancy choice of behaviors, ecological institutions and physiological alterations that fluctuate throughout species of their kind, significance and direction. This ebook seeks to discover the phenomenon of aestivation from assorted views and degrees of association, starting from microhabitat choice to genetic keep an eye on of physiological alterations. It brings jointly authors from internationally engaged on various systematic teams, methods, and questions, yet who're all eventually operating to raised comprehend the complicated factor of aestivation.

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Herpetologica 42:73–92 Nagy KA, Shoemaker VH (1975) Energy and nitrogen budgets of the free-living desert lizard Sauromalus obesus. Physiol Zool 48:252–262 Needham JT (1743) A letter concerning chalky tubulous concretions, with some microscopical observations on the farina of the red lily, and on worms discovered in smutty corn. Phil Trans R Soc Lond 42:634–641 Nelson DR (2002) Current status of the Tardigrada: evolution and ecology. Integr Comp Biol 42:652–659 Ohga I (1923) On the longevity of the fruits of Nelumbo nucifera.

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Storey aestivation in O. lactea (Ramnanan and Storey 2006b, 2008). The same mechanism is seen in other hypometabolic systems including hibernating mammals and diapausing insects (MacDonald and Storey 1999; McMullen and Storey 2008). During aestivation in O. lactea, the maximum activities of both enzymes decreased by 33–50% in muscle and hepatopancreas, although Western blotting showed no change in the amounts of enzyme protein. ATP values were 40% and 30% higher for Na+K+ATPase and SERCA (Ramnanan and Storey 2006b, 2008).

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Aestivation: Molecular and Physiological Aspects by Philip C. Withers, Christine E. Cooper (auth.), Carlos Arturo Navas, José Eduardo Carvalho (eds.)


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