The hypotrophic axonopathy mutant in Japanese quail

Article Abstract:

A study was done on the hypotrophic axonopathy mutant in Japanese quail. It was shown that the trait was characterized by neurofilament deficiency in the axons of the cervical spinal cord as well as the optic and sciatic nerves. The hypotrophic axonopathy trait was further found to be regulated by an autosomal recessive gene and is manifested by affected birds at hatching. The behavior was found to be more marked in the presence of visual and auditory stimuli and can involve the whole body in intense cases.

Behavior genetics, Behavioral genetics, Quails

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Subcostal incomplete: a new genetic mutant of Stomoxys calcitrans L

Article Abstract:

Research was conducted to characterize a genetic mutant of Stomoxys calcitrans L., or stable fly. Termed subcostal incomplete, the wing vein mutant is the fourth genetic mutant observed in stable flies. Results showed that subcostal incomplete varies in expressitivity; it may occur in only one wing or both. Further observations also showed that subcostal incomplete occurs more frequently in females.

Flies, Diptera, Genetic transformation

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Short-limbed dwarfism: slw is a new allele of Npr2 causing chondrodysplasia

Article Abstract:

The skeletal phenotypes of the short-limbed dwarfism (SLW) mouse were examined and chromosomal localization was determined to identify the gene responsible for the phenotypes. It was seen that the disturbed endochondral ossification and a mutation in the Npr2 gene was responsible for the phenotypes of the SLW mouse that caused dwarf phenotype.

Science & research, Mice, House mouse, Dwarfism, Chondrodysplasia punctata

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