Specific incorporation of L-glutamine into volicitin in the regurgitant of Spodoptera litura.
Volicitin, [N-(17-hydroxylinolenoyl)-L-glutamine], was identified as an elicitor of plant volatiles from a Spodoptera exigua regurgitant. It has been proposed that gut microbes synthesize volicitin from glutamine, a predominant amino acid component in the insect gut. However, we found that glutamine was not a major component in the regurgitant of Spodoptera litura, although L-glutamine was exclusively incorporated into volicitin by S. litura fed on diets enriched with various amino acids. This selectivity of glutamine as a substrate was not due to a dominant occurrence in the insect gut.
Yoshinaga
Naoko
N
Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Sakyo, Japan.
Sawada
Yoshitsugu
Y
Nishida
Ritsuo
R
Kuwahara
Yasumasa
Y
Mori
Naoki
N
D000596:Amino Acids / Q000378:metabolism*; D000818:Animals; D002845:Chromatography; D004032:Diet; D005973:Glutamine / Q000031:analogs & derivatives* / Q000378:metabolism*; D007313:Insecta / Q000378:metabolism; D007413:Intestinal Mucosa / Q000378:metabolism*; D018411:Spodoptera / Q000378:metabolism*; D017962:alpha-Linolenic Acid / Q000031:analogs & derivatives* / Q000378:metabolism*
D000596:Amino Acids; C419781:volicitin; D017962:alpha-Linolenic Acid; D005973:Glutamine