Academic literature on the topic 'As poikilothermic organisms'

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Journal articles on the topic "As poikilothermic organisms"

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PRONINA, G. I., A. A. IVANOV, A. G. MANNAPOV, and O. V. SANAYA. "IMMUNE SYSTEM OF POIKILOTHERMIC AQUATIC ORGANISMS." Izvestiâ Timirâzevskoj selʹskohozâjstvennoj akademii, no. 2 (2021): 71–91. http://dx.doi.org/10.26897/0021-342x-2021-2-71-91.

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The paper shows features of the immune system of poikilothermic aquatic organisms of different taxonomic groups: crustaceans, fish, and amphibians. Defense mechanisms of crustaceans are presented by largely innate non-specific factors: external covers (including the exoskeleton), mucus, physical and chemical barriers lysozyme in the hemolymph, propanolamine system, and phagocytosis. The authors identified 4 types of cells (hemocytes) found in the circulating fluid of crayfish, depending on the morphological and functional properties: agranulocytes, progranulin,granulocytes, and transparent cel
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Woods, H. A., W. Makino, J. B. Cotner, et al. "Temperature and the chemical composition of poikilothermic organisms." Functional Ecology 17, no. 2 (2003): 237–45. http://dx.doi.org/10.1046/j.1365-2435.2003.00724.x.

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Bäumers, Miriam, Sven Klose, Christian Brüser, et al. "The auxiliary ESCRT complexes provide robustness to cold in poikilothermic organisms." Biology Open 8, no. 9 (2019): bio043422. http://dx.doi.org/10.1242/bio.043422.

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Riquelme, Nicza Fernanda Alveal. "Preliminary Antecedents on the Selected Temperature (Tsel) of Rhinella dpinulosa Wiegmann 1834 (Anura: Bufonidae) from the Andean Environments of Chile." International Journal of Zoology and Animal Biology 6, no. 2 (2023): 1–9. http://dx.doi.org/10.23880/izab-16000450.

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The ambient temperature is a decisive factor in many activities of poikilothermic organisms, since it influences the correct development of their vital processes, which implies the existence of an optimal temperature range. The present study describes selected temperatures (Tsel) of R. spinulosa in adult individuals. For this purpose, adults of this species were acclimatized at 10°C and then subjected to a thermal gradient was used in the laboratory. The mean Tsel in the studied individuals was 23.38±2.65°C, with a range from 17.73°C to 28.93°C. Future surveys are suggested to determine the ha
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Parisi, Costantino, and Giulia Guerriero. "Antioxidative Defense and Fertility Rate in the Assessment of Reprotoxicity Risk Posed by Global Warming." Antioxidants 8, no. 12 (2019): 622. http://dx.doi.org/10.3390/antiox8120622.

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The objective of this review is to briefly summarize the recent progress in studies done on the assessment of reprotoxicity risk posed by global warming for the foundation of strategic tool in ecosystem-based adaptation. The selected animal data analysis that was used in this paper focuses on antioxidative markers and fertility rate estimated over the period 2000–2019. We followed a phylogenetic methodology in order to report data on a panel of selected organisms that show dangerous effects. The oxidative damage studies related to temperature fluctuation occurring in biosentinels of different
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Paunescu, Alina, Liliana Cristina Soare, Irina Fierascu, et al. "Ecotoxicological Studies on the Action of Actara 25 WG Insecticide on Prussian Carp (Carassius gibelio) and Marsh Frog (Pelophylax ridibundus)." Toxics 10, no. 3 (2022): 114. http://dx.doi.org/10.3390/toxics10030114.

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The toxic action of the Actara 25 WG insecticide (it contains 25% thiamethoxam as an active substance) in non-lethal doses was studied in two species of aquatic organisms—the Prussian carp (Carassius gibelio) and the marsh frog (Pelophylax ridibundus)—at two thermal levels, 6–8 °C (low temperature) and 18–20 °C (room temperature), respectively. In the Prussian carp, we recorded decreases in oxygen consumption and stimulation of the respiratory rhythm, changes that were more pronounced in the case of intoxicated fish and when the species were kept at room temperature. The histopathology of the
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Popova, E. N., V. V. Yasjukevich, and I. O. Popov. "APPLICATION OF THE CARTOGRAPHIC METHOD FOR ESTIMATING DIFFERENCES IN THE APPLIED CLIMATE INDICES SAT AND SET." Problems of Ecological Monitoring and Ecosystem Modelling 30, no. 3-4 (2019): 11–27. http://dx.doi.org/10.21513/0207-2564-2019-3-11-27.

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For the territory of Russia and neighboring countries, the maps with isolines limiting geographical areas where the climate indices the sum of active temperatures (SAT) and the sum of effective temperatures (SET) exceed or do not reach the indicated values from 500°С to 3500°С in increments of 500° С at a low threshold of 10°С were constructed for the period 1981-2010. Using these maps, the differences in the areas of the territories bounded by the same isolines of SAT and SET were found. The importance of the correct use of the SAT and SET indices for determining the boundaries of the ranges
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Schlaen, Rubén Gustavo, Estefanía Mancini, Sabrina Elena Sanchez, et al. "The spliceosome assembly factor GEMIN2 attenuates the effects of temperature on alternative splicing and circadian rhythms." Proceedings of the National Academy of Sciences 112, no. 30 (2015): 9382–87. http://dx.doi.org/10.1073/pnas.1504541112.

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The mechanisms by which poikilothermic organisms ensure that biological processes are robust to temperature changes are largely unknown. Temperature compensation, the ability of circadian rhythms to maintain a relatively constant period over the broad range of temperatures resulting from seasonal fluctuations in environmental conditions, is a defining property of circadian networks. Temperature affects the alternative splicing (AS) of several clock genes in fungi, plants, and flies, but the splicing factors that modulate these effects to ensure clock accuracy throughout the year remain to be i
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Lema, Sean C., Samantha L. Bock, Morgan M. Malley, and Emma A. Elkins. "Warming waters beget smaller fish: evidence for reduced size and altered morphology in a desert fish following anthropogenic temperature change." Biology Letters 15, no. 10 (2019): 20190518. http://dx.doi.org/10.1098/rsbl.2019.0518.

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Poikilothermic organisms are predicted to show reduced body sizes as they experience warming environments under a changing global climate. Such a shrinking of size is expected under scenarios where rising temperatures increase cellular reaction rates and basal metabolic energy demands, therein requiring limited energy to be shifted from growth. Here, we provide evidence that the ecological changes associated with warming may not only lead to shrinking body size but also trigger shifts in morphology. We documented 33.4 and 39.0% declines in body mass and 7.2 and 7.6% reductions in length for ma
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Damos, Petros, and Matilda Savopoulou-Soultani. "Temperature-Driven Models for Insect Development and Vital Thermal Requirements." Psyche: A Journal of Entomology 2012 (2012): 1–13. http://dx.doi.org/10.1155/2012/123405.

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Since 1730 when Reaumut introduced the concept of heat units, many methods of calculating thermal physiological time heat have been used to simulate the phenology of poikilothermic organisms in biological and agricultural sciences. Most of these models are grounded on the concept of the “law of total effective temperatures”, which abstracts the temperature responses of a particular species, in which a specific amount of thermal units should be accumulated above a temperature threshold, to complete a certain developmental event. However, the above temperature summation rule is valid within the
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Book chapters on the topic "As poikilothermic organisms"

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Marwaha, Lovleen. "The Possible Wax Moth Infestation Regulation." In The Wax Moth: A Problem or a Solution. BENTHAM SCIENCE PUBLISHERS, 2023. http://dx.doi.org/10.2174/9789815123821123010008.

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The wax moth infestation can be controlled with various physical, chemical, and biological methods. As the wax moth is a typical lepidopteran insect that is poikilothermic, exposing multiple developmental stages and imagoes to extremely low and higher temperatures can provide a solution for the specific pest infestation. Additionally, divergent pesticides targeting the nervous system, respiratory system, developmental regulation, and general insect physiology further solve the problem. The biological control measures include the application of various micro-organisms or their secreted products
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Fogg, G. E. "Glacial habitats." In The Biology of Polar Habitats. Oxford University PressOxford, 1998. http://dx.doi.org/10.1093/oso/9780198549543.003.0003.

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Abstract The rare human explorers and birds venturing over polar ice caps encounter each other with surprise and interest. Ice is essentially inimical to life. Its presence implies low temperatures and in its pure form it is hard, virtually inpenetrable by organisms, and devoid of nutrient content. Most importantly, water, in the form of ice, is unavailable and the energy required to melt it and make it available is more than poikilothermic metabolic activity can supply. Pigmented organisms, such as algae, produce melting in their immediate vicinity by absorption of radiation but this ceases a
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