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Abnormal scale morphogenesis: Relationship of polypeptide patterns to action of the scaleless gene

✍ Scribed by Mirkes, P. E. ;Sawyer, R. H.

Publisher
John Wiley and Sons
Year
1979
Tongue
English
Weight
341 KB
Volume
208
Category
Article
ISSN
0022-104X

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✦ Synopsis

Abstract

The polyacrylamide gradient gel electrophoresis (PAGGE) pattern of polypeptides isolated from normal scuttate scale epidermis of 1‐week‐old chicks was different from that of the anterior shank epidermis from 1‐week‐old scaleless mutant chicks. The PAGGE patterns of polypeptides isolated from normal and scaleless reticulate scale epidermis (from 1‐week‐old chicks) differed by only one band, whereas comparison of mutant's scuttate and reticulate patterns showed three band differences. These data are discussed in relation to the action of the scaleless gene on early morphogenesis of the two types of scales.

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Avian scale development. VII. Normal ker
Avian scale development. VII. Normal keratinization follows abnormal morphogenesis of reticulate scales from the “scaleless” mutant
✍ Roger H. Sawyer; Thomas K. Borg 📂 Article 📅 1980 🏛 John Wiley and Sons 🌐 English ⚖ 682 KB

## Abstract The scutate scales are entirely missing in chick embryos homozygous for the gene, “scaleless.” Reticulate scales of this mutant are present; however, they have undergone abnormal morphogenesis into irregular mounds and crevices. The pattern of keratinization seen along the anterior meta