Molecular phylogeny of silk-producing insects based on 16S ribosomal RNA and cytochrome oxidase subunit I genes

2006 ◽  
Vol 85 (1) ◽  
pp. 31-38 ◽  
Author(s):  
B. Mahendran ◽  
S. K. Ghosh ◽  
S. C. Kundu
Keyword(s):  
Molecular Phylogeny ◽  
Cytochrome Oxidase ◽  
Ribosomal Rna ◽  
16S Ribosomal Rna ◽  
Cytochrome Oxidase Subunit ◽  
Cytochrome Oxidase Subunit I ◽  
Oxidase Subunit

First record of body colour polymorphism in giant African snail Achatina fulica (Bowdich, 1822) - a comparative study using mitochondrial cytochrome oxidase subunit I (COI) gene

ENTOMON ◽  
2019 ◽  
Vol 44 (2) ◽  
pp. 155-160
Author(s):  
Keerthy Vijayan ◽  
R. Sugantha Sakthivel ◽  
T.V. Sajeev
Keyword(s):  
Cytochrome Oxidase ◽  
South India ◽  
The Body ◽  
Colour Polymorphism ◽  
Coi Gene ◽  
Body Colour ◽  
Cytochrome Oxidase Subunit ◽  
Cytochrome Oxidase Subunit I ◽  
Black And White ◽  
Oxidase Subunit

The presence of the body colour polymorphism in the tropical invasive pest giant African snail is reported for the first time from South India. Three different body colour polymorphs were recognised viz. grey, black and white. The grey body colour is the most common polymorph. The black and white colour polymorphs are found to be in almost equal proportions in the reported localities with the grey counterparts. The cytochrome oxidase subunit I (COI) sequences of the three colour polymorphs are found to be identical. The presence of the body colour polymorphism in south India may be attributed to the avian predation and other selection pressures.

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