Expression of designed antimicrobial peptides in Theobroma cacao L. Trees reduces leaf necrosis caused by phytophthora spp.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

10 Citations (Scopus)

Abstract

Antimicrobial peptides naturally occur in a wide range of life forms including bacteria, fungi, plants and animals and represent an important component of their innate immunity systems. These peptides can inhibit the growth of animal and plant pathogenic bacteria and fungi. Designed synthetic peptides based on the structure of naturally occurring peptides have been shown to inhibit the growth of animal and plant pathogenic bacteria and fungi. In this chapter we report the engineering of T. cacao plants to express synthetic peptides and the in planta effects on the damage (necrosis) caused by two important oomycete pathogens of this crop. Theobroma cacao transgenic lines expressing synthetic peptides D5C and pD4E1 exhibited less foliar damage by pathogen Phytophthora capsici and P. palmivora than wild type cacao. We discuss the potential effects of antimicrobial peptides on non-pathogenic symbiotic microorganisms of plants e.g. mychorrizae and endophytes.

Original languageEnglish (US)
Title of host publicationSmall Wonders
Subtitle of host publicationPeptides for Disease Control
PublisherAmerican Chemical Society
Pages379-395
Number of pages17
ISBN (Print)9780841227484
DOIs
StatePublished - Jan 1 2012

Publication series

NameACS Symposium Series
Volume1095
ISSN (Print)0097-6156
ISSN (Electronic)1947-5918

Fingerprint

Peptides
Fungi
Bacteria
Animals
Pathogens
Microorganisms
Crops

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

Mejía, L. C., Guiltinan, M., Shi, Z., Sheaffer, L. L., & Maximova, S. (2012). Expression of designed antimicrobial peptides in Theobroma cacao L. Trees reduces leaf necrosis caused by phytophthora spp. In Small Wonders: Peptides for Disease Control (pp. 379-395). (ACS Symposium Series; Vol. 1095). American Chemical Society. https://doi.org/10.1021/bk-2012-1095.ch018
Mejía, Luis C. ; Guiltinan, Mark ; Shi, Zi ; Sheaffer, Lena Landherr ; Maximova, Siela. / Expression of designed antimicrobial peptides in Theobroma cacao L. Trees reduces leaf necrosis caused by phytophthora spp. Small Wonders: Peptides for Disease Control. American Chemical Society, 2012. pp. 379-395 (ACS Symposium Series).
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Mejía, LC, Guiltinan, M, Shi, Z, Sheaffer, LL & Maximova, S 2012, Expression of designed antimicrobial peptides in Theobroma cacao L. Trees reduces leaf necrosis caused by phytophthora spp. in Small Wonders: Peptides for Disease Control. ACS Symposium Series, vol. 1095, American Chemical Society, pp. 379-395. https://doi.org/10.1021/bk-2012-1095.ch018

Expression of designed antimicrobial peptides in Theobroma cacao L. Trees reduces leaf necrosis caused by phytophthora spp. / Mejía, Luis C.; Guiltinan, Mark; Shi, Zi; Sheaffer, Lena Landherr; Maximova, Siela.

Small Wonders: Peptides for Disease Control. American Chemical Society, 2012. p. 379-395 (ACS Symposium Series; Vol. 1095).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Mejía LC, Guiltinan M, Shi Z, Sheaffer LL, Maximova S. Expression of designed antimicrobial peptides in Theobroma cacao L. Trees reduces leaf necrosis caused by phytophthora spp. In Small Wonders: Peptides for Disease Control. American Chemical Society. 2012. p. 379-395. (ACS Symposium Series). https://doi.org/10.1021/bk-2012-1095.ch018