Academic literature on the topic 'Latimeria chalumnae'

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Journal articles on the topic "Latimeria chalumnae"

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Forey, Peter L. "Latimeria chalumnae and its pedigree." Environmental Biology of Fishes 32, no. 1-4 (September 1991): 75–97. http://dx.doi.org/10.1007/bf00007446.

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Cupello, Camila, François J. Meunier, Marc Herbin, Gaël Clément, and Paulo M. Brito. "Lung anatomy and histology of the extant coelacanth shed light on the loss of air-breathing during deep-water adaptation in actinistians." Royal Society Open Science 4, no. 3 (March 2017): 161030. http://dx.doi.org/10.1098/rsos.161030.

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Lungs are specialized organs originated from the posterior pharyngeal cavity and considered as plesiomorphic for osteichthyans, as they are found in extant basal actinopterygians (i.e. Polypterus ) and in all major groups of extant sarcopterygians. The presence of a vestigial lung in adult stages of the extant coelacanth Latimeria chalumnae is the result of allometric growth during ontogeny, in relation with long-time adaptation to deep water. Here, we present the first detailed histological and anatomical description of the lung of Latimeria chalumnae , providing new insights into its arrested differentiation in an air-breathing complex, mainly represented by the absence of pneumocytes and of compartmentalization in the latest ontogenetic stages.
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FRITZSCH, B. "CommentaryThe ear of Latimeria chalumnae revisited." Zoology 106, no. 3 (2003): 243–48. http://dx.doi.org/10.1016/s0944-2006(04)70099-9.

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Forey, Peter L. "Golden jubilee for the coelacanth Latimeria chalumnae." Nature 336, no. 6201 (December 1988): 727–32. http://dx.doi.org/10.1038/336727a0.

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Hissmann, Karen, Hans Fricke, and Jürgen Schauer. "Population Monitoring of the Coelacanth (Latimeria chalumnae)." Conservation Biology 12, no. 4 (July 7, 2008): 759–65. http://dx.doi.org/10.1111/j.1523-1739.1998.97060.x.

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Hissmann, Karen, Hans Fricke, and Jurgen Schauer. "Population Monitoring of the Coelacanth (Latimeria chalumnae)." Conservation Biology 12, no. 4 (August 24, 1998): 759–65. http://dx.doi.org/10.1046/j.1523-1739.1998.97060.x.

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Bruton, Michael N., and Michael J. Armstrong. "The demography of the coelacanth Latimeria chalumnae." Environmental Biology of Fishes 32, no. 1-4 (September 1991): 301–11. http://dx.doi.org/10.1007/bf00007463.

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Smith, Moya Meredith, M. H. Hobdell, and W. A. Miller. "The structure of the scales of Latimeria chalumnae." Journal of Zoology 167, no. 4 (August 20, 2009): 501–9. http://dx.doi.org/10.1111/j.1469-7998.1972.tb01741.x.

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Bemis, William E., and R. Glenn Northcutt. "Innervation of the basicranial muscle of Latimeria chalumnae." Environmental Biology of Fishes 32, no. 1-4 (September 1991): 147–58. http://dx.doi.org/10.1007/bf00007450.

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Thoney, Dennis A., and William J. Hargis. "Juvenile anisakine parasites from the coelacanth Latimeria chalumnae." Environmental Biology of Fishes 32, no. 1-4 (September 1991): 281–83. http://dx.doi.org/10.1007/bf00007461.

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Dissertations / Theses on the topic "Latimeria chalumnae"

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Modisakeng, Keoagile William. "Isolation and characterization of genes encoding heat shock protein 70s (hsp 70s) from two species of the coelacanth, Latimeria chalumnae and Latimeria menadoensis." Thesis, Rhodes University, 2007. http://hdl.handle.net/10962/d1004030.

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The extant coelacanths have a close resemblance to the coelacanth fossil records dating back to 230mya. Like their predecessors, the extant coelacanths inhabit rocky caves at a depth of 100-300m below sea level. In the Comoros, the water temperature at these depths is estimated to fluctuate between 14-20°C. High-level adaptation to these environment and lack of competition are thought to have led to the morphological uniformity and slow change throughout the history of the coelacanths. Under stress conditions, proteins unfold or misfold leading to the formation of aggregates. Molecular chaperones facilitate the correct folding of other proteins so that they can attain a stable tertiary structure. In addition, molecular chaperones aid the refolding of denatured proteins and the degradation of terminally misfolded protein after cellular stress. Heat shock proteins form one of the major classes of molecular chaperones. Here we show that, despite high-level adaptation to a unique habitat and slow change, the genome of the coelacanth encodes the major and highly conserved molecular chaperone, Hsp70. Latimeria menadoensis and Latimeria chalumnae contain intronless hsp70 genes encoding Hsp70 proteins archetypal of known Hsp70s. Based on the coelacanth codon usage, we have shown that bacterial protein expression systems, particularly Escherichia coli, may not be appropriate for the overproduction of coelacanth Hsp70s and coelacanth proteins in general. Also interesting, was the discovery that like the rat Hsc70, the L. menadoensis Hsp70 could not reverse thermal sensitivity in a temperate sensitive E. coli DnaK mutant strain, BB2362. We also report the successful isolation of a 1.2 kb region of L. menadoensis hsp70 upstream regulatory region. This region contain three putative heat shock elements, a TATA- box and two CAAT-boxes. This regulatory region resembled the Xenopus, mouse, and particularly tilapia hsp70 promoters, all of which have been shown to drive the expression of reporter genes in a heat dependent manner. Taken together, this data is the first to strongly suggest an inducible Hsp70-base cytoprotection mechanism in the coelacanth. It further provides basis to formulate testable predictions about the regulation, structure and function of Hsp70s in the living fossil, Latimeria.
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Thornycroft, Rosanne Elizabeth. "Videographic analysis of the Coelacanth, Latimeria Chalumnae, and associated habitats in the Isimangaliso Wetland Park, KwaZulu-Natal, South Africa." Thesis, Rhodes University, 2012. http://hdl.handle.net/10962/d1005179.

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Videography is a valuable tool in biological and ecological studies. Using video footage obtained during previous coelacanth surveys, this thesis investigated coelacanths and their associated habitats in the submarine canyons of iSimangaliso Wetland Park, South Africa. This thesis aimed to (1) describe the biological habitats within the submarine canyons, (2) determine coelacanth distribution within these habitats, and (3) assess the use of computer-aided identification to successfully identify individual coelacanths. Seven different habitat types were noted with the most distinctive being the canyon margins that consisted of dense agglomerations of gorgonians, wire and whip corals, and sponges. Results suggested that although substratum type has a great influence on invertebrate community structure in the canyons, depth is the principal factor. Coelacanths were associated with cave habitats within the steep rocky canyon walls. Habitat analyses allowed predictive classification tree models to be constructed. Depth, underlying percentage of rock, and percentage cover of gorgonians and sponges were the most important variables for determining coelacanth presence and absence. The overall correct classification rate for the model was estimated at 96.6%, correctly predicting coelacanth absence (> 99%) better than presence (60%). Because coelacanths have a unique spot pattern it was possible to quickly and accurately identify specific individuals photographically using computer-aided identification software. Without any manual intervention by an operator the software accurately identified between 56 and 92% of the individuals. Identification success increased to 100% if the operator could also manually select from other potential matching photographs. It was also shown that fish exhibiting a yaw angle not exceeding 60° could be accurately identified in photographs. Each of the sections presented in this thesis represent a possible step towards analysing coelacanth-related habitats, locating and then analysing new habitats. Steps include first locating a population and then performing a habitat analysis. Coelacanth location within the different habitats can then be determined allowing the development of predictive models to potentially identify possible locations of new populations. The final step is to identify individual fish within the population for assessing demographic parameters and population monitoring.
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Modisakeng, K. W., R. A. Dorrington, and G. L. Blatch. "Isolation of genes encoding heat shock protein 70 (hsp70s) from the coelacanth, Latimeria chalumnae." 2004. http://eprints.ru.ac.za/136/1/sajsci_v100_n11_a34%5B1%5D.pdf.

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Under stress conditions, proteins unfold or misfold, leading to the formation of aggregates. Molecular chaperones can be defined as proteins that facilitate the correct folding of other proteins, so that they attain a stable tertiary structure. In addition, they promote the refolding and degradation of denatured proteins after cellular stress. Heat shock proteins form one of the main classes of molecular chaperones. We are interested in determining if the genome of the coelacanth (Latimeria chalumnae) encodes a heat shock protein-based cytoprotection mechanism. We have isolated 50 kb and larger coelacanth genomic DNA from frozen skin tissue of L. chalumnae. From the alignments of several fish Hsp70 proteins, conserved regions at the N- and C-termini were identified. Codon usage tables were constructed from published coelacanth genes and degenerate primers were designed to isolate the full-length hsp70 gene and regions encoding the ATPase and the peptide binding domains. Since it is known that the tilapia and Fugu inducible hsp70 genes are intronless, we proceeded on the assumption that a coelacanth inducible hsp70 would also be intronless. A large fragment (1840 bp) encoding most of a coelacanth Hsp70 protein, and two partial fragments encoding a coelacanth Hsp70ATPase domain (1048 bp) and peptide binding domain (873 bp), were isolated by polymerase chain reaction amplification. Protein sequences translated from all the nucleotide sequences were closely identical to typical Hsp70s. This is the first study to provide evidence for a cytoprotection mechanism in the coelacanth involving an inducible Hsp70.
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Modisakeng, K. W., Rosemary Dorrington, and G. L. Blatch. "Isolation of genes encoding heat shock protein 70 (hsp70s) from the coelacanth, Latimeria chalumnae." 2004. http://hdl.handle.net/10962/d1005788.

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Under stress conditions, proteins unfold or misfold, leading to the formation of aggregates. Molecular chaperones can be defined as proteins that facilitate the correct folding of other proteins, so that they attain a stable tertiary structure. In addition, they promote the refolding and degradation of denatured proteins after cellular stress. Heat shock proteins form one of the main classes of molecular chaperones. We are interested in determining if the genome of the coelacanth (Latimeria chalumnae) encodes a heat shock protein-based cytoprotection mechanism. We have isolated 50 kb and larger coelacanth genomic DNA from frozen skin tissue of L. chalumnae. From the alignments of several fish Hsp70 proteins, conserved regions at the N- and C-termini were identified. Codon usage tables were constructed from published coelacanth genes and degenerate primers were designed to isolate the full-length hsp70 gene and regions encoding the ATPase and the peptide binding domains. Since it is known that the tilapia and Fugu inducible hsp70 genes are intronless, we proceeded on the assumption that a coelacanth inducible hsp70 would also be intronless. A large fragment (1840 bp) encoding most of a coelacanth Hsp70 protein, and two partial fragments encoding a coelacanth Hsp70ATPase domain (1048 bp) and peptide binding domain (873 bp), were isolated by polymerase chain reaction amplification. Protein sequences translated from all the nucleotide sequences were closely identical to typical Hsp70s. This is the first study to provide evidence for a cytoprotection mechanism in the coelacanth involving an inducible Hsp70.
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Modisakeng, Keoagile William. "Isolation and characterization of genes encoding heat shock protein 70s (hsp 70s) from two species of the coelacanth, Latimeria chalumnae and Latimeria menadoensis /." 2006. http://eprints.ru.ac.za/881/.

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Bernstein, Peter [Verfasser]. "Die evolutive Transformation der Oticalregion der Sarcopterygii beim Übergang vom Wasser- zum Landleben : unter besonderer berücksichtigung des Quastenflossers Latimeria chalumnae / vorgelegt von Peter Bernstein." 2002. http://d-nb.info/974165239/34.

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Books on the topic "Latimeria chalumnae"

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Musick, John A., Michael N. Bruton, and Eugene K. Balon, eds. The biology of Latimeria chalumnae and evolution of coelacanths. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3194-0.

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E, Bemis William, ed. Cranial nerves of the Coelacanth, Latimeria chalumnae (Osteichthyes, Sarcopterygii, Actinistia), and comparisons with other craniata. Basel: Karger, 1993.

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A, Musick John, Bruton M. N, and Balon Eugene K, eds. The biology of Latimeria chalumnae and evolution of coelacanths. Dordrecht: Kluwer Academic Publishers, 1991.

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Bruton, M. N. The biology of Latimeria chalumnae and evolution of coelacanths. Springer, 1991.

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Bruton, M. N. The biology of Latimeria chalumnae and evolution of coelacanths. Springer, 2012.

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Book chapters on the topic "Latimeria chalumnae"

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Wickler, Wolfgang. "Latimeria chalumnae." In Reisenotizen, 273–77. Berlin, Heidelberg: Springer Berlin Heidelberg, 2020. http://dx.doi.org/10.1007/978-3-662-61996-4_36.

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Nieuwenhuys, R. "The Coelacanth Latimeria chalumnae." In The Central Nervous System of Vertebrates, 1007–43. Berlin, Heidelberg: Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/978-3-642-18262-4_17.

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Forey, Peter L. "Latimeria chalumnae and its pedigree." In Developments in environmental biology of fishes, 75–98. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3194-0_5.

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Bruton, Michael N., and Michael J. Armstrong. "The demography of the coelacanth Latimeria chalumnae." In Developments in environmental biology of fishes, 301–12. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3194-0_21.

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Thoney, Dennis A., and William J. Hargis. "Juvenile anisakine parasites from the coelacanth Latimeria chalumnae." In Developments in environmental biology of fishes, 281–84. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3194-0_19.

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Bemis, William E., and R. Glenn Northcutt. "Innervation of the basicranial muscle of Latimeria chalumnae." In Developments in environmental biology of fishes, 147–58. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3194-0_9.

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Bruton, Michael N., and Robin E. Stobbs. "The ecology and conservation of the coelacanth Latimeria chalumnae." In Developments in environmental biology of fishes, 313–40. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3194-0_22.

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Schultze, Hans-Peter, and Richard Cloutier. "Computed Tomography and Magnetic Resonance Imaging studies of Latimeria chalumnae." In Developments in environmental biology of fishes, 159–81. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3194-0_10.

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Schultze, Hans-Peter. "CT scan reconstruction of the palate region of Latimeria chalumnae." In Developments in environmental biology of fishes, 183–92. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3194-0_11.

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Uyeno, Teruya. "Observations on locomotion and feeding of released coelacanths, Latimeria chalumnae." In Developments in environmental biology of fishes, 267–74. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3194-0_17.

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