About: Conversion of the chill susceptible fruit fly larva (Drosophila melanogaster) to a freeze tolerant organism

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About: Conversion of the chill susceptible fruit fly larva (Drosophila melanogaster) to a freeze tolerant organism Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Among vertebrates, only a few species of amphibians and reptiles tolerate the formation of ice crystals in their body fluids. Freeze tolerance is much more widespread in invertebrates, especially in overwintering insects. Evolutionary adaptations for freeze tolerance are considered to be highly complex. Here we show that surprisingly simple laboratory manipulations can change the chill susceptible insect to the freeze tolerant one. Larvae of Drosophila melanogaster, a fruit fly of tropical origin with a weak innate capacity to tolerate mild chilling, can survive when approximately 50% of their body water freezes. To achieve this goal, synergy of two fundamental prerequisites is required: (i) shutdown of larval development by exposing larvae to low temperatures (dormancy) and (ii) incorporating the free amino acid proline in tissues by feeding larvae a proline-augmented diet (cryopreservation). Among vertebrates, only a few species of amphibians and reptiles tolerate the formation of ice crystals in their body fluids. Freeze tolerance is much more widespread in invertebrates, especially in overwintering insects. Evolutionary adaptations for freeze tolerance are considered to be highly complex. Here we show that surprisingly simple laboratory manipulations can change the chill susceptible insect to the freeze tolerant one. Larvae of Drosophila melanogaster, a fruit fly of tropical origin with a weak innate capacity to tolerate mild chilling, can survive when approximately 50% of their body water freezes. To achieve this goal, synergy of two fundamental prerequisites is required: (i) shutdown of larval development by exposing larvae to low temperatures (dormancy) and (ii) incorporating the free amino acid proline in tissues by feeding larvae a proline-augmented diet (cryopreservation). (en)
Title	Conversion of the chill susceptible fruit fly larva (Drosophila melanogaster) to a freeze tolerant organism Conversion of the chill susceptible fruit fly larva (Drosophila melanogaster) to a freeze tolerant organism (en)
skos:prefLabel	Conversion of the chill susceptible fruit fly larva (Drosophila melanogaster) to a freeze tolerant organism Conversion of the chill susceptible fruit fly larva (Drosophila melanogaster) to a freeze tolerant organism (en)
skos:notation	RIV/60076658:12310/12:43883594!RIV13-MSM-12310___
http://linked.open...avai/riv/aktivita	P V Z
http://linked.open...avai/riv/aktivity	P(GA203/09/2014), P(GA206/07/0269), V, Z(AV0Z50070508)
http://linked.open...iv/cisloPeriodika	9
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Košťál, Vladimír
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Jihočeská univerzita v Českých Budějovicích / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	128757
http://linked.open...ai/riv/idVysledku	RIV/60076658:12310/12:43883594
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	quiescence; cryoprotection; metabolomics; long-term storage; insect cold tolerance; MECHANISM; COMPONENTS; METABOLISM; STRESS; PROLINE; EVOLUTION; TEMPERATURE; SURVIVAL; CLIMATIC VARIABILITY; INSECT COLD-HARDINESS (en)
http://linked.open.../riv/klicoveSlovo	COMPONENTS MECHANISM TEMPERATURE STRESS METABOLISM EVOLUTION long-term storage CLIMATIC VARIABILITY INSECT COLD-HARDINESS PROLINE cryoprotection insect cold tolerance quiescence SURVIVAL metabolomics - metabolic profiling - metabolic %22fingerprint%22- medicinal plants
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[D69730C12E5B]
http://linked.open...i/riv/nazevZdroje	PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
http://linked.open...in/vavai/riv/obor	ED
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Cold-acclimation in insects: Biosynthesis of cryoprotectants and restructuring of biological membranes New approaches to alkylchloroformate-mediated sample preparation for parallel GC-MS and LC-MS for metabolite analysis in biofluids
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	109
http://linked.open...iv/tvurceVysledku	Košťál, Vladimír Šimek, Petr Cimlova, Jana Stetina, Tomas Zahradnickova, Helena
http://linked.open...ain/vavai/riv/wos	000300828200023
http://linked.open...n/vavai/riv/zamer	Study of the regulation of insect organism, dynamics of insect populations and function of insects in ecosystems
issn	0027-8424
number of pages	5 (xsd:int)
http://bibframe.org/vocab/doi	10.1073/pnas.1119986109
http://localhost/t...ganizacniJednotka	12310

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