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An apple polyphenol oxidase cDNA is up-regulated in wounded tissues (1995)

Boss, Paul K. ; Gardner, Richard C. ; Janssen, Bart-Jan ; [et al.]

Springer

Plant molecular biology 27 (1995), S. 429-433

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ISSN: 1573-5028

Keywords: apple ; polyphenol oxidase ; superficial scald ; wounding

Source: Springer Online Journal Archives 1860-2000

Topics: Biology

Notes: Abstract A full-length cDNA clone encoding apple (Malus domesticus) polyphenol oxidase (PPO) was isolated from a fruit peel cDNA library. Southern analysis indicated that apple PPO is encoded by a divergent multigene family. By northern analysis, PPO mRNA was only detected in a fruit sample taken one week after full bloom. PPO mRNA accumulated in wounded tissues, and also in peel tissue showing the symptoms of superficial scald, a post-harvest disorder. The induction of PPO mRNA provides the first evidence for transcriptional control of PPO expression after wounding or the manifestation of a physiological disorder.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00020197

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