Relevant bibliographies by topics / Cryptobiosis

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Cryptobiosis'

Author: Grafiati
Published: 4 June 2021
Last updated: 31 July 2024

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Journal articles on the topic "Cryptobiosis"

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Watanabe, M., T. Kikawada, N. Minagawa, F. Yukuhiro, and T. Okuda. "Mechanism allowing an insect to survive complete dehydration and extreme temperatures." Journal of Experimental Biology 205, no. 18 (September 15, 2002): 2799–802. http://dx.doi.org/10.1242/jeb.205.18.2799.

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SUMMARY Cryptobiosis describes the state of an organism whose body water is completely dehydrated and metabolic activity has become undetectable. Our study aimed to elucidate the physiological mechanism of cryptobiosis in the highest cryptobiotic invertebrate, Polypedilum vanderplanki. Larvae of this insect rapidly accumulated a large amount of the carbohydrate,trehalose, (18% of dry body mass) during desiccation for 2 days, suggesting that a high level of trehalose accumulation contributed to the successful induction of cryptobiosis in P. vanderplanki as well as in other lower cryptobiotic organisms. When larvae deprived of the brain,suboesophageal ganglion (SG) and thoracic ganglia (TG) were completely dehydrated and then rehydrated, they were able to recover and move actively. During desiccation, such larvae also accumulated trehalose, although only about half as much as the intact larvae. It is concluded that the brain, SG and TG do not affect the induction and termination of cryptobiosis, and hence in this higher multicellular animal cryptobiosis is independent of brain, SG and TG regulation, just as in plants or in unicellular organisms.
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Wright, Jonathan C., Peter Westh, and Hans Ramløv. "CRYPTOBIOSIS IN TARDIGRADA." Biological Reviews 67, no. 1 (September 6, 2010): 1–29. http://dx.doi.org/10.1111/j.1469-185x.1992.tb01657.x.

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Pan, Long, Rong Cui, Yongxia Li, Wei Zhang, Jianwei Bai, Juewen Li, and Xingyao Zhang. "Third-Stage Dispersal Juveniles of Bursaphelenchus xylophilus Can Resist Low-Temperature Stress by Entering Cryptobiosis." Biology 10, no. 8 (August 17, 2021): 785. http://dx.doi.org/10.3390/biology10080785.

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Nematodes can enter cryptobiosis by dehydration as an adaptation to low-temperature environments and recover from cryptobiosis by rehydration after environmental improvement. In this work, the survival of Bursaphelenchusxylophilus third-stage dispersal juveniles was studied in response to low-temperature treatment. The average survival rates were 1.7% after −80 °C treatment for 30 d and 82.2% after −20 °C treatment for 30 d. The changes of water content and inorganic salt ions that occur in pine trees during winter gradually alter the osmotic pressure in the liquid environment to dehydrate B. xylophilus juveniles, resulting in improved survival after low-temperature treatment. The survival rate at −20 °C improved to 92.1% when the juveniles entered cryptobiosis by osmotic regulation. The results of this study demonstrate that B. xylophilus third-stage dispersal juveniles can resist low-temperature stress through cryptobiosis, providing the theoretical basis for the identification of areas potentially vulnerable to B. xylophilus in the mid-temperature and cold temperature zones of China.
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Shatilovich, Anastasia, Vamshidhar R. Gade, Martin Pippel, Tarja T. Hoffmeyer, Alexei V. Tchesunov, Lewis Stevens, Sylke Winkler, et al. "A novel nematode species from the Siberian permafrost shares adaptive mechanisms for cryptobiotic survival with C. elegans dauer larva." PLOS Genetics 19, no. 7 (July 27, 2023): e1010798. http://dx.doi.org/10.1371/journal.pgen.1010798.

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Some organisms in nature have developed the ability to enter a state of suspended metabolism called cryptobiosis when environmental conditions are unfavorable. This state-transition requires execution of a combination of genetic and biochemical pathways that enable the organism to survive for prolonged periods. Recently, nematode individuals have been reanimated from Siberian permafrost after remaining in cryptobiosis. Preliminary analysis indicates that these nematodes belong to the genera Panagrolaimus and Plectus. Here, we present precise radiocarbon dating indicating that the Panagrolaimus individuals have remained in cryptobiosis since the late Pleistocene (~46,000 years). Phylogenetic inference based on our genome assembly and a detailed morphological analysis demonstrate that they belong to an undescribed species, which we named Panagrolaimus kolymaensis. Comparative genome analysis revealed that the molecular toolkit for cryptobiosis in P. kolymaensis and in C. elegans is partly orthologous. We show that biochemical mechanisms employed by these two species to survive desiccation and freezing under laboratory conditions are similar. Our experimental evidence also reveals that C. elegans dauer larvae can remain viable for longer periods in suspended animation than previously reported. Altogether, our findings demonstrate that nematodes evolved mechanisms potentially allowing them to suspend life over geological time scales.
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Stillman, J. H. "CRYPTOBIOSIS VIA SPINDLE CHECKPOINT." Journal of Experimental Biology 207, no. 9 (April 1, 2004): vi. http://dx.doi.org/10.1242/jeb.00938.

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Núñez, Patricia G., Nayeli G. Quevedo, and Roberto Vázquez. "A sustainable culture of tardigrades (Hypsibius dujardini) for astrobiological laboratory activities." EPJ Web of Conferences 200 (2019): 02011. http://dx.doi.org/10.1051/epjconf/201920002011.

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Tardigrades are microscopic organisms that have gained importance in astrobiology in recent years. They have extreme survival ability and can enter into a state of latency for several years called cryptobiosis. Due to our interest in conducting experiments with tardigrades to complement the laboratory exercises with students in the course of astrobiology, we bought samples of tardigrades in the cryptobiotic state. A sample of these were cultured at room temperature (18oC) with an oxygenation system, and fed with Spirulina algae every week. We found that in a few weeks tardigrades were producing eggs normally. This species, H. dujardini, has been cultured before and it is a good sample for culture as we saw. This species provides a good sustainable culture and is inexpensive and easy to produce tardigrades for didactic purposes.
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Neuman, Yair. "Cryptobiosis: A new theoretical perspective." Progress in Biophysics and Molecular Biology 92, no. 2 (October 2006): 258–67. http://dx.doi.org/10.1016/j.pbiomolbio.2005.11.001.

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Hakozaki, Shuntaro Hakozaki, Hiroki Yamanobe, Kazuma Yabuki, Taiga Shimizu, Takeru Saito, Ryota Saito, Futoshi Suizu, Tomohiro Suzuki Suzuki, and Yoichiro Sogame. "ATP accumulation in early resting cyst formation towards cryptobiosis in Colpoda cucullus." Acta Protozoologica 62 (2023): 39–44. http://dx.doi.org/10.4467/16890027ap.23.004.18421.

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Resting cyst formation is a crucial process of cryptobiosis in protists. In colpodid ciliates, cyst formation is accompanied by large-scale morphological changes such as changes of cell shape, resorption of cilia, and formation of a cyst wall; additionally, the cell cycle is arrested. These changes provide acquired tolerance against environmental stresses. During cyst formation, mitochondrial membrane potential is reduced and the level of the ATP synthase beta chain is suppressed, strongly indicating that metabolism has ceased. Here, however, we show that ATP levels are elevated during the initial phases of encystment implying that metabolism may not be completely suppressed. This finding suggests another aspect of resting cyst formation that is not applicable to cryptobiosis.
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Woo, P. T. K. "Cryptobia (Trypanoplasma) salmositica and salmonid cryptobiosis." Journal of Fish Diseases 26, no. 11-12 (November 2003): 627–46. http://dx.doi.org/10.1046/j.1365-2761.2003.00500.x.

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Woo, P. T. K. "On cryptobiosis and infections by Cryptobia." Journal of Fish Diseases 27, no. 8 (August 2004): 493–94. http://dx.doi.org/10.1111/j.1365-2761.2004.00560.x.

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Dissertations / Theses on the topic "Cryptobiosis"

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Ardelli, Bernadette Frances. "A chemotherapeutic strategy against salmonid cryptobiosis." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0028/NQ51027.pdf.

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Zuo, Xun. "Proteases in the haemoflagellate Cryptobia salmositica and their roles in salmonid cryptobiosis." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq27475.pdf.

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Hontzeas, Nikos. "Strategies against cryptobiosis, the production of a recombinant protein for therapeutic purposes." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0024/MQ51070.pdf.

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Klage, Karsten. "Molecular analysis of the responses of Caenorhabditis elegans (Bristol N2), Panagrolaimus rigidus (AF36) and Panagrolaimus sp. (PS 1579) (Nematoda) to water stress." Diss., Virginia Tech, 2008. http://hdl.handle.net/10919/28215.

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This work provides a comparative and genetic analysis of the responses to water stress in desiccation-tolerant and desiccation-sensitive nematodes. Caenorhabditis elegans, a model organism for the study of development, aging, and cell biology was shown to be a desiccation-sensitive organism that survives relative humidities above 40\% for periods of up to seven days. Transcripts from the desiccation-tolerant species Panagrolaimus rigidus AF36 and sp. PS1579, which were expressed uniquely during separate desiccation and osmotic stresses, as well as during recovery from exposure to the dual stresses, were cloned. These sequences were used to search for similarities in the genome sequence data of C. elegans. Putative anhydrobiotic-related transcripts were identified that potentially encode heat shock protein 70, late embryogenic abundant protein, and trehalose-phosphate synthase. Other putative genes that were identified within eight separate libraries encode proteins involved in transcription (histones), protein biosynthesis (ribosomal proteins, elongation factors), protein degradation (ubiquitin, proteases), and transport and cell structure (actin, collagen). Gene ontology analysis of the cloned transcripts revealed that developmental processes are activated during exposure to the stresses as well as during recovery, which may suggest a â rejuvenationâ process as a key to survival in Panagrolaimus nematodes. Genes that were up-regulated during desiccation stress in C. elegans were classified as belonging either to an early response (until 12 hours of stress), or to a late response (after 12 hours of stress). The early response was characterized by the up-regulation of a large number of genes encoding mono-oxygenases, which may suggest onset of oxidation stress during desiccation of C. elegans. The late response was characterized by the appearance of transcripts encoding proteins of the immune system, heat shock proteins (protein denaturation), and superoxide dismutases (oxidation damage). Genes in C. elegans that were down-regulated in response to desiccation stress include those encoding proteases and lysozymes (metabolic shutdown). Genes that encode channel proteins (water homeostasis) were found among the transcripts up-regulated during recovery of C. elegans. The up-regulation of gpdh-1 and hmit-1.1, two transcripts linked to hyperosmotic stress, suggest that osmotic stress is experienced by C. elegans. Comparison of these data with those obtained from exposure of C. elegans to a range of other stresses showing that the nematode C. elegans uses specific transcripts for the desiccation response; transcripts that are not induced in other stresses such as heat, anoxia or starvation. In addition, transcripts regulated during desiccation stress of C. elegans were also regulated during dauer formation, which may indicate common stress tolerant mechanisms. Recent studies in mammalian cells and C. elegans have shown that microRNAs are able to degrade and to sequester mRNA especially during stress in so called stress bodies. In this study, C. elegans microRNA knock-outs showed a significant decrease in desiccation stress survival compared to wild type C. elegans which may suggest the importance of microRNAs for stress survival in C. elegans and other organisms.
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Czerneková, Michaela. "Zásobní buňky a jejich role ve fyziologii želvušek." Doctoral thesis, 2020. http://www.nusl.cz/ntk/nusl-415707.

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STORAGE CELLS AND THEIR ROLE IN TARDIGRADE PHYSIOLOGY Abstract Tardigrades possess remarkable tolerance to numerous stress conditions (e.g. almost complete desiccation, exposure to very low sub-zero temperature, heat stress and even exposure to space in low Earth orbit). Indeed, they are among the most radiation-resistant multi-cellular organisms. The body cavity of tardigrades is filled with the storage cells (SC). Their role in anhydrobiosis has been discussed. The main objectives of this work were to analyse (i) the occurrence of mitosis in SC, (ii) the factors constraining anhydrobiotic survival, and (iii) the general ultrastructure of SC and their ultrastructure concerning the stress conditions. Our model species, R. cf. coronifer is one of the most extensively studied tardigrades concerning anhydrobiosis. Comprehensive histochemical techniques were used in combination with SEM, TEM, and confocal microscopy. First, mitotic divisions of tardigrade SC occur with a higher frequency in juveniles than in adults and correlate with animal growth. Mitosis is more frequent in moulting tardigrades, but the overall mitotic index is low. Furthermore, tardigrades of R. cf. coronifer can survive the maximum of 6 repeated desiccation cycles with significantly declining survival rate with repeated desiccations and...
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Gruntová, Zuzana. "Želvušky (Tardigrada) a jejich využití ve výuce." Master's thesis, 2017. http://www.nusl.cz/ntk/nusl-355735.

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This thesis is focused on the phylum Tardigrada. The main goal is to implement this topic into the curriculum of primary and secondary education. The thesis is divided in two parts - theoretical and empirical. The theoretical part comprises five basic topics: the general introduction to phylum Tardigrada and other moss fauna; extraction methods; analysis of textbooks for primary and secondary schools; and application of obtained knowledge about phylum Tardigrada in education. In this thesis, water bears are used as model organisms for creating practical suggestions for teaching methods and forms that can be used when implementing this theme into a teaching process. The empirical part presents the results of extensive study focused on the occurrence of Tardigrada in moss from variety of habitats in the Czech Republic and its implication for practical use. Keywords: moss fauna, cryptobiosis, education, teaching methods, research, analysis of textbooks
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Books on the topic "Cryptobiosis"

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Aleksandrovna, T͡S︡ut͡s︡aeva Alla, and Instytut problem kriobiolohiï ta kriomedyt͡s︡yny (Akademii͡a︡ nauk Ukraïny), eds. Kholodovyĭ anabioz: Sbornik nauchnykh trudov. Kiev: Nauk. dumka, 1991.

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Keel, Brooks A., and Thomas O. Abney. Cryptorchid Testis. Taylor & Francis Group, 2020.

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Keel, Brooks A., and Thomas O. Abney. Cryptorchid Testis. Taylor & Francis Group, 2020.

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Keel, Brooks A., and Thomas O. Abney. Cryptorchid Testis. Taylor & Francis Group, 2020.

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Keel, Brooks A., and Thomas O. Abney. Cryptorchid Testis. Taylor & Francis Group, 2020.

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Book chapters on the topic "Cryptobiosis"

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Gabrys, Beata, John L. Capinera, Jesusa C. Legaspi, Benjamin C. Legaspi, Lewis S. Long, John L. Capinera, Jamie Ellis, et al. "Cryptobiosis." In Encyclopedia of Entomology, 1128–29. Dordrecht: Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-6359-6_10105.

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Slegers, H., and M. Aerden. "Messenger Ribonucleoproteins of Cryptobiotic Gastrulae of Artemia: Mechanisms of Activation and Repression of Non-Polysomal Messenger Ribonucleoproteins." In Cell and Molecular Biology of Artemia Development, 259–66. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4757-0004-6_23.

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"Cryptobiosis." In Encyclopedia of Genetics, Genomics, Proteomics and Informatics, 446. Dordrecht: Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-6754-9_3874.

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"cryptobiosis, n." In Oxford English Dictionary. 3rd ed. Oxford University Press, 2023. http://dx.doi.org/10.1093/oed/7370264022.

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Woo, P. T. K. "Cryptobia and Cryptobiosis in Fishes." In Advances in Parasitology, 199–237. Elsevier, 1987. http://dx.doi.org/10.1016/s0065-308x(08)60297-3.

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Woo, Patrick T. K. "The pathophysiology of salmonid cryptobiosis and Glossina-transmitted mammalian trypanosomiasis in livestock." In Host-Parasite Interactions, 91–105. Taylor & Francis, 2004. http://dx.doi.org/10.4324/9780203487709-5.

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"cryptobiotic, adj." In Oxford English Dictionary. 3rd ed. Oxford University Press, 2023. http://dx.doi.org/10.1093/oed/1074463637.

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Siegers, H., E. De Herdt, E. Piot, H. Backhovens, C. Thoen, L. Van Hove, E. Roggen, and M. Aerden. "Activation of Stored Messenger Ribonucleoproteins: Identification and Function of the Proteins Associated with Nonpolysomal Poly(A)-Containing Messenger Ribonucleoproteins of Cryptobiotic Gastrulae of Artemia sp." In Biochemistry and Cell Biology of Artemia, 21–56. CRC Press, 2018. http://dx.doi.org/10.1201/9781351070157-2.

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Conference papers on the topic "Cryptobiosis"

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"DESCRIBING CRYPTOBIOSIS AS A TIME BASED PROTECTION SYSTEM USING PETRI NETS." In International Conference on Bio-inspired Systems and Signal Processing. SciTePress - Science and and Technology Publications, 2008. http://dx.doi.org/10.5220/0001068002810285.

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Kim, Kyoohyun, Vamshidhar R. Gade, Teymuras V. Kurzchalia, and Jochen Guck. "Quantitative imaging of Caenorhabditis elegans dauer larvae during cryptobiotic transition using optical diffraction tomography." In Quantitative Phase Imaging VIII, edited by Gabriel Popescu, YongKeun Park, and Yang Liu. SPIE, 2022. http://dx.doi.org/10.1117/12.2608665.

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