Comp Biochem Physiol B. 1988;89(2):317-21.

In vivo and solid state 13C nuclear magnetic resonance studies of tyrosine metabolism during insect cuticle formation.

Williams HJ, Scott AI, Woolfenden WR, Grant DM, Vinison SB, Elzen GW, Baehrecke EH.

Source

Department of Chemistry, Texas A&M University, College Station 77843.

Abstract

1. Tyrosine metabolism during pupation can be followed in living Heliothis virescens larvae using nuclear magnetic resonance spectroscopy. 2. Loss of 13C signals from a label at the C-3 position of tyrosine during pupation indicates uptake of tyrosine into solid cuticle. 3. Solids 13C NMR spectroscopy of cuticle formed by insects injected with 3-13C labelled tyrosine indicates that little change in chemical shift occurs during cuticle hardening, indicating that the side chain is probably not involved in protein cross-linking.

PMID:: 3356137; [PubMed - indexed for MEDLINE]

Publication Types, MeSH Terms, Substances, Grant Support

Publication Types

MeSH Terms

Substances

Tyrosine

Grant Support

GM32596-04/GM/NIGMS NIH HHS/United States

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L-TYROSINE - HSDB

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