Polymorphic β and γ Lens Crystallins Demonstrate Latitudinal Distribution of Threatened Walking Catfish Clarias batrachus (Linn.) Populations in North-western India

Ahmad, Riaz; Pandey, R.; Arif, Sajjad; Nabi, Nikhat; Jabeen, Mumtaz; Hasnain, Absar-ul

doi:10.3923/jbs.2012.98.104

Cited by 12 publications

(1 citation statement)

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“…Recently, the population of C. batrachus significantly declined due to the anthropogenic activities and the introduction of morphologically similar exotic catfish, C. gariepinus (Burchell,1822) [ 3 , 4 ]. Subsequently, C. gariepinus has further increased the vulnerability of C. batrachus [ 5 , 6 ] that has led to listing of C. batrachus in ‘‘Critically Endangered’’ category of the IUCN (IUCN, 2007) red list of threatened species [ 4 ]. Similar observations were also reported by Na-Nakorn and Brummett [ 7 ] who emphasized that the wild type population must be conserved from C. gariepinus, which may endanger the purity and viability of wild populations.…”

Section: Introductionmentioning

confidence: 99%

Molecular assessment of proteins encoded by the mitochondrial genome of Clarias batrachus and Clarias gariepinus

Chand

Kumar

Azad

2021

Biochemistry and Biophysics Reports

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The population of catfish, Clarias batrachus has substantially diminished in various countries and studies show that another related species Clarias gariepinus is replacing it. The better adaptability and survivability of C. gariepinus over C. batrachus could be attributed to the metabolic differences between these two species, which is primarily regulated by mitochondrial activities. To understand the reasons behind this phenomenon, we performed in silico analyses to decipher the differences between the proteins encoded by the mitochondrial genome of these two related species. Our analysis revealed that out of thirteen, twelve proteins encoded by the mitochondrial genome of these two species have substantial variations between them. We characterised these variations by analysing their effect on secondary structure, intrinsic disorder predisposition, and functional impact on protein and stability parameters. Our data show that most of the parameters are changing between these two closely related species. Altogether, we demonstrate the molecular insights into the mitochondrial genome-encoded proteins of these two species and predict their effect on protein function and stability that might be helping C. gariepinus to gain survivability better than the C. batrachus .

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