Molecular markers associated with leptinine production are located on chromosome 1 in Solanum chacoense

G. Hutvágner, Z. Bánfalvi, I. Milánkovics, D. Silhavy, Z. Polgár, S. Horváth, P. Wolters, J. P. Nap

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Leptines of Solanum chacoense are effective natural deterrents against the Colorado potato beetle. Leptines are the acetylated forms of the glycoalkaloids solanine and chaconine and are supposed to be synthesised via hydroxylated derivatives, called leptinines. Inheritance of leptinine production was studied in crosses of closely related S. chacoense genotypes. The segregation data supported a single-gene model for the inheritance of leptinine production. In the segregating F1 population of a S. chacoense cross, AFLP, RFLP and RAPD markers segregating with the leptinine production have been identified. The locus involved in leptinine synthesis was localised to the short arm of chromosome 1 of the potato where a major QTL for solanidine production, and markers with tight linkage to leptine production, have been mapped before. Our data further support the previous finding that the short arm of chromosome 1 is involved in steroid alkaloid synthesis in potato, and suggest that the genes involved in leptinine and leptine production are tightly linked in S. chacoense.

Original languageEnglish
Pages (from-to)1065-1071
Number of pages7
JournalTheoretical And Applied Genetics
Volume102
Issue number6-7
DOIs
Publication statusPublished - 2001

Fingerprint

Solanum chacoense
Solanum
Chromosomes, Human, Pair 1
Solanum tuberosum
chromosomes
genetic markers
Solanine
inheritance (genetics)
steroid alkaloids
solanidine
Beetles
alpha-chaconine
potatoes
solanine
Alkaloids
Restriction Fragment Length Polymorphisms
glycoalkaloids
Genes
synthesis
Leptinotarsa decemlineata

Keywords

  • AFLP
  • Glycoalkaloids
  • Insect resistance
  • Leptine
  • Leptinine
  • Solanum chacoense

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Horticulture
  • Plant Science
  • Genetics
  • Genetics(clinical)

Cite this

Molecular markers associated with leptinine production are located on chromosome 1 in Solanum chacoense. / Hutvágner, G.; Bánfalvi, Z.; Milánkovics, I.; Silhavy, D.; Polgár, Z.; Horváth, S.; Wolters, P.; Nap, J. P.

In: Theoretical And Applied Genetics, Vol. 102, No. 6-7, 2001, p. 1065-1071.

Research output: Contribution to journalArticle

Hutvágner, G. ; Bánfalvi, Z. ; Milánkovics, I. ; Silhavy, D. ; Polgár, Z. ; Horváth, S. ; Wolters, P. ; Nap, J. P. / Molecular markers associated with leptinine production are located on chromosome 1 in Solanum chacoense. In: Theoretical And Applied Genetics. 2001 ; Vol. 102, No. 6-7. pp. 1065-1071.
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