Gene-by-gene hypothesis

The gene-for-gene hypothesis ( English gene-for-gene relationship ) is understood to mean the hypothesis that a host plant will not be infected by a pathogen if it has a suitable resistance gene (R) for the virulent gene (AVR) of the pathogen. owns.

The hypothesis was developed from the 1940s by Harold Henry Flor based on the interaction of the rust fungus Melampsora lini with the common flax and published in 1971 in summary. Flor showed that the inheritance of the host's resistance capacity as well as the pathogenicity of the pathogen are controlled by pairs of corresponding genes.

Resistance genes

There are two broad classes of resistance genes: the NBS-LRR genes and the Pattern Recognition Receptor (PRR) genes.

literature

The basics of plant pathogen resistance

Individual evidence

↑ Pflanzenforschung.de: Plant-Pathogen-Interaction
^ HH Flor: Inheritance of pathogenicity in Melampsora lini . In: Phytopath . 32, 1942, pp. 653-669.
^ HH Flor: Inheritance of reaction to rust in flax . In: J. Agric. Res. . 74, 1947, pp. 241-262.
↑ HH Flor: Host-parasite interaction in flax rust - its genetics and other implications . In: Phytopathology . 45, 1955, pp. 680-685.
^ HH Flor: Current Status of the Gene-For-Gene Concept . In: Annual Review of Phytopathology . tape 9 , no. 1 , September 1971, p. 275-296 , doi : 10.1146 / annurev.py.09.090171.001423 .
↑ Leah McHale, Xiaoping Tan, Patrice Koehl, Richard W. Michelmore: Plant NBS-LRR proteins: adaptable guards . In: Genome Biology . tape 7 , no. 4 , April 26, 2006, p. 212 , doi : 10.1186 / gb-2006-7-4-212 , PMC 1557992 (free full text).
↑ W.-Y. Song, G.-L. Wang, L.-L. Chen, H.-S. Kim, L.-Y. Pi, T. Holsten, J. Gardner, B. Wang, W.-X. Zhai, L.-H. Zhu, C. Fauquet, P. Ronald: A Receptor Kinase-Like Protein Encoded by the Rice Disease Resistance Gene, Xa21 . In: Science . tape 270 , no. 5243 , December 15, 1995, p. 1804–1806 , doi : 10.1126 / science.270.5243.1804 ( PDF ).

[1] Pflanzenforschung.de: Plant-Pathogen-Interaction

[Flor1942-2] HH Flor: Inheritance of pathogenicity in Melampsora lini . In: Phytopath . 32, 1942, pp. 653-669.

[Flor1947-3] HH Flor: Inheritance of reaction to rust in flax . In: J. Agric. Res. . 74, 1947, pp. 241-262.

[4] HH Flor: Host-parasite interaction in flax rust - its genetics and other implications . In: Phytopathology . 45, 1955, pp. 680-685.

[5] HH Flor: Current Status of the Gene-For-Gene Concept . In: Annual Review of Phytopathology . tape 9 , no. 1 , September 1971, p. 275-296 , doi : 10.1146 / annurev.py.09.090171.001423 .

[gb-6] Leah McHale, Xiaoping Tan, Patrice Koehl, Richard W. Michelmore: Plant NBS-LRR proteins: adaptable guards . In: Genome Biology . tape 7 , no. 4 , April 26, 2006, p. 212 , doi : 10.1186 / gb-2006-7-4-212 , PMC 1557992 (free full text).

[chinesen-7] W.-Y. Song, G.-L. Wang, L.-L. Chen, H.-S. Kim, L.-Y. Pi, T. Holsten, J. Gardner, B. Wang, W.-X. Zhai, L.-H. Zhu, C. Fauquet, P. Ronald: A Receptor Kinase-Like Protein Encoded by the Rice Disease Resistance Gene, Xa21 . In: Science . tape 270 , no. 5243 , December 15, 1995, p. 1804–1806 , doi : 10.1126 / science.270.5243.1804 ( PDF ).