Citrus as a molecular contact point for co-evolution of Alternaria pathogens

Kazuya Akimitsu, Kouhei Ohtani, Takuya Shimagami, Mai Katsumoto, Chika Igarashi, Sawa Tanaka, Syu Matsuoka, Susumu Mochizuki, Takashi Tsuge, Mikihiro Yamamoto, Motoichiro Kodama, Kazuya Ichimura, Kenji Gomi

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Alternaria black rot, Alternaria leaf spot of rough lemon, and Alternaria brown spot of tangerines are three major citrus Alternaria pathogens. Citrus could be considered as a molecular contact point for host-selective toxin (HST)-mediated co-evolution of these Alternaria pathogens and susceptibility in the field. ACR-toxin is an HST produced by the rough lemon pathotype, and the target site of the toxin was identified as rough lemon mitochondria. The biosynthetic gene cluster for ACR-toxin production is on the 1.5 Mb-chromosome of the rough lemon pathotype. Another gene cluster for ACT-toxin production is located on the 1.9 Mb-chromosome of the tangerine pathotype. These TOX genes shown to have a role in ACR- or ACT-toxin biosynthesis by using gene disruption and silencing.

Original languageEnglish
JournalPhysiological and Molecular Plant Pathology
DOIs
Publication statusAccepted/In press - Dec 24 2015

Fingerprint

Alternaria
Citrus
coevolution
toxins
Citrus jambhiri
pathogens
pathotypes
Multigene Family
tangerines
Chromosomes
multigene family
leaf spot
Gene Silencing
chromosomes
Mitochondria
gene targeting
gene silencing
mitochondria
biosynthesis
Genes

Keywords

  • Alternaria alternata
  • Co-evolution
  • Conditionally dispensable chromosome
  • Host-selective toxin
  • Pathogenicity

ASJC Scopus subject areas

  • Plant Science
  • Genetics

Cite this

Akimitsu, K., Ohtani, K., Shimagami, T., Katsumoto, M., Igarashi, C., Tanaka, S., ... Gomi, K. (Accepted/In press). Citrus as a molecular contact point for co-evolution of Alternaria pathogens. Physiological and Molecular Plant Pathology. https://doi.org/10.1016/j.pmpp.2016.01.005

Citrus as a molecular contact point for co-evolution of Alternaria pathogens. / Akimitsu, Kazuya; Ohtani, Kouhei; Shimagami, Takuya; Katsumoto, Mai; Igarashi, Chika; Tanaka, Sawa; Matsuoka, Syu; Mochizuki, Susumu; Tsuge, Takashi; Yamamoto, Mikihiro; Kodama, Motoichiro; Ichimura, Kazuya; Gomi, Kenji.

In: Physiological and Molecular Plant Pathology, 24.12.2015.

Research output: Contribution to journalArticle

Akimitsu, K, Ohtani, K, Shimagami, T, Katsumoto, M, Igarashi, C, Tanaka, S, Matsuoka, S, Mochizuki, S, Tsuge, T, Yamamoto, M, Kodama, M, Ichimura, K & Gomi, K 2015, 'Citrus as a molecular contact point for co-evolution of Alternaria pathogens', Physiological and Molecular Plant Pathology. https://doi.org/10.1016/j.pmpp.2016.01.005
Akimitsu, Kazuya ; Ohtani, Kouhei ; Shimagami, Takuya ; Katsumoto, Mai ; Igarashi, Chika ; Tanaka, Sawa ; Matsuoka, Syu ; Mochizuki, Susumu ; Tsuge, Takashi ; Yamamoto, Mikihiro ; Kodama, Motoichiro ; Ichimura, Kazuya ; Gomi, Kenji. / Citrus as a molecular contact point for co-evolution of Alternaria pathogens. In: Physiological and Molecular Plant Pathology. 2015.
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