ORIGINAL ARTICLE
Activity of aspartate aminotransferase and alanine aminotransferase within winter triticale seedlings infested by grain aphid (Sitobion avenae F.)
1
Siedlce University of Natural Sciences and Humanities
Department of Biochemistry and Molecular Biology
2
Siedlce University of Natural Sciences and Humanities
Department of Microbiology
Prusa 12, 08-110 Siedlce, Poland
Corresponding author
Cezary Sempruch
Siedlce University of Natural Sciences and Humanities Department of Biochemistry and Molecular Biology
Siedlce University of Natural Sciences and Humanities Department of Biochemistry and Molecular Biology
Journal of Plant Protection Research 2012;52(3):364-367
KEYWORDS
Sitobion avenaeaspartic aminotransferasealanine aminotransferaseamino acidswinter triticaleaphid-plant interactions
TOPICS
ABSTRACT
Amino acid level is well known indicator of plant resistance to aphids. Our earlier studies showed that grain aphid (
Sitobion
avenae
F.) infestation caused changes in the activity of the enzymes connected with amino acid biosynthesis and the transformation to
defensive secondary metabolites within triticale tissues. However, there are not data on the significance of aminotransferases in these
processes. The aim of our study was the quantification of changes in the activity of aspartate aminotransferase (AspAT) and alanine
aminotransferase (AlaAT) in winter triticale seedlings caused by the feeding of the grain aphid. The study results showed that aphid
feeding caused an increase in AlaAT activity and a decrease in AspAT activity within tissues of the triticale. The induced mechanisms
of the triticale resistance to the grain aphid are discussed
CONFLICT OF INTEREST
The authors have declared that no conflict of interests exist.
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| eISSN: | 1899-007X |
| ISSN: | 1427-4345 |
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