Some biochemical changes in pear fruit tissue induced by Erwinia aymlovora

Krisztina Honty, Mária Hevesi, Magdolna Tóth, E. Stefanovits-Banyai

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Enzyme activities (peroxidase and polyphenol oxidase) were measured in unripe resistant - Vicar of Winkfield - and susceptible - Max Red Bartlett - pear fruits during disease process caused by Erwinia amylovora infection. Samples were taken from the inoculation point and neighboring tissues during three days intervals. Host responses showed significant differences. Increases in enzymatic activities started to occur on the second day after inoculation (DAI) in the susceptible cultivar, while these changes were detectable only 3 DAI in resistant fruits. In the resistant cultivar, activities of both enzymes increased. However, in the susceptible cultivar peroxidase activity started to decrease after symptom development. Both enzyme activities were suitable markers of the susceptible and resistant host responses.

Original languageEnglish
Pages (from-to)127-129
Number of pages3
JournalActa Biologica Szegediensis
Volume49
Issue number1-2
Publication statusPublished - 2005

Fingerprint

Erwinia
Pyrus
Enzyme activity
Fruits
pears
Peroxidase
Fruit
enzyme activity
Tissue
Catechol Oxidase
fruits
peroxidase
cultivars
Erwinia amylovora
Enzymes
fruit diseases
catechol oxidase
signs and symptoms (plants)
Infection
infection

Keywords

  • Bacterial infection
  • Peroxidase
  • Polyphenol oxidase
  • Resistant
  • Susceptible pear fruit

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Cell Biology
  • Neuroscience(all)
  • Applied Microbiology and Biotechnology

Cite this

Some biochemical changes in pear fruit tissue induced by Erwinia aymlovora. / Honty, Krisztina; Hevesi, Mária; Tóth, Magdolna; Stefanovits-Banyai, E.

In: Acta Biologica Szegediensis, Vol. 49, No. 1-2, 2005, p. 127-129.

Research output: Contribution to journalArticle

Honty, Krisztina ; Hevesi, Mária ; Tóth, Magdolna ; Stefanovits-Banyai, E. / Some biochemical changes in pear fruit tissue induced by Erwinia aymlovora. In: Acta Biologica Szegediensis. 2005 ; Vol. 49, No. 1-2. pp. 127-129.
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