TLDR Certain genes related to sulfur metabolism are more active during the growth phase of Cashmere goat wool, and melatonin might help this process.
The study investigated the role of sulfur metabolism genes and high-sulfur keratin-associated proteins (KAPs) in wool growth in Cashmere goats. Involving 120 goats, the research identified 16 sulfur metabolism genes and 9 high-sulfur KAPs that were differentially expressed during the wool growth cycle. The expression of these genes was found to be higher during the active growth phase of wool, suggesting a direct correlation between gene expression and wool growth. The study also revealed that melatonin may activate the sulfur metabolism process, providing sufficient sulfur-containing amino acids for wool growth. These findings provide valuable insights into the genetic factors influencing wool growth, which could potentially be applied to other areas of hair growth research.
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