Mapping strategy for resistance genes in tomato based on RFLPs between cultivars: Cf9 (resistance to Cladosporium fulvum) on chromosome 1

1992 ◽  
Vol 84 (1-2) ◽  
pp. 106-112 ◽  
Author(s):  
J. G. van der Beek ◽  
R. Verkerk ◽  
P. Zabel ◽  
P. Lindhout
Keyword(s):  
Resistance Genes ◽  
Chromosome 1 ◽  
Cladosporium Fulvum ◽  
Mapping Strategy

Mapping strategy for resistance genes against Cladosporium fulvum on the short arm of Chromosome 1 of tomato: Cf-ECP5 near the Hcr9 Milky Way cluster

2000 ◽  
Vol 101 (4) ◽  
pp. 661-668 ◽  
Author(s):  
J. P. W. Haanstra ◽  
F. Meijer-Dekens ◽  
R. Laugé ◽  
D. C. Seetanah ◽  
M. H. A. J. Joosten ◽  
...  
Keyword(s):  
Resistance Genes ◽  
Milky Way ◽  
Chromosome 1 ◽  
Cladosporium Fulvum ◽  
Mapping Strategy

scholarly journals  Resistance of Arabidopsis thaliana to the obligate biotrophic parasite Plasmodiophora brassicae

2017 ◽  
Vol 38 (SI 2 - 6th Conf EFPP 2002) ◽  
pp. 519-522 ◽  
Author(s):  
A. Arbeiter ◽  
M. Fähling ◽  
H. Graf ◽  
M.D. Sacristán ◽  
J. Siemens
Keyword(s):  
Arabidopsis Thaliana ◽  
Salicylic Acid ◽  
Jasmonic Acid ◽  
Resistance Gene ◽  
Resistance Genes ◽  
Plasmodiophora Brassicae ◽  
Chromosome 1 ◽  
Coding Sequences ◽  
Resistance Phenotype ◽  
Resistance Reaction

Two resistance phenotypes to P. brassicae have been found in A. thaliana. A first resistance phenotype has been detected to the isolate 'e<sub>2</sub>' and is polygenically inherited. The second resistance to isolate 'e<sub>3</sub>' is caused by the dominant resistance gene RPB1. By crossing no influence could be shown for salicylic acid, jasmonic acid and ethylene in the latter resistance reaction. The RPB1 locus was narrowed down to 71 kb on chromosome 1, where three pseudogenes and 13 coding sequences are located. Six of them showed cosegregation with RPB1. None of these sequences have similarities to identified resistance genes or other known genes. Ten coding sequences were expressed, but CDS9 was exclusively expressed in the resistant ecotype Tsu-0.

RESISTANCE TO CLADOSPORIUM FULVUM CKE. OBTAINED FROM WILD SPECIES OF TOMATO

1964 ◽  
Vol 42 (11) ◽  
pp. 1541-1554 ◽  
Author(s):  
E. A. Kerr ◽  
D. L. Bailey
Keyword(s):  
Wild Species ◽  
Chromosome 1 ◽  
Cladosporium Fulvum ◽  
Breeding Lines ◽  
Genetic Bases

In the last 20 years several varieties and breeding lines of tomato have been developed which possess immunity from C. fulvum races 1 to 9. Vagabond, Vinequeen, and V548 obtained their immunity from L. hirsutum Humb. and Bonpl.; V501 from L. hirsutum var. glabralum Muller; V542, Vantage, Waltham Mold Proof Forcing No. 22, etc. from L. peruvianum (L.) Mill.; and V545 from L. pimpinellifolium (Jusl.) Mill. Studies are reported herein on the genetic bases of resistance in these varieties.Single genes for immunity from C. fulvum race 6 were isolated in these varieties and breeding lines. Crosses between the varieties indicated that the immunity from all of these sources is conditioned by the same gene or by genes that are very closely linked. Differential races must be found before this point can be determined with certainty. The gene from L. hirsutum which confers immunity to race 6 in Vinequeen is designated as Cf4. Cf4 has been shown to be located on chromosome 1, probably near Cf1.L. hirsutum, L. pimpinellifolium, and L. esculentum var. cerasiforme Mill. among them have several other genes conferring a lower level of resistance to race 6.

Molecular aspects of avirulence genes of the tomato pathogen Cladosporium fulvum

1995 ◽  
Vol 73 (S1) ◽  
pp. 490-494 ◽  
Author(s):  
Pierre J. G. M. de Wit ◽  
Matthieu H. A. J. Joosten ◽  
Guy Honée ◽  
Paul J. M. J. Vossen ◽  
Ton J. Cozijnsen ◽  
...  
Keyword(s):  
Host Plant ◽  
Resistance Genes ◽  
Hypersensitive Response ◽  
Fungal Pathogens ◽  
Direct Interaction ◽  
Defense Responses ◽  
Cladosporium Fulvum ◽  
Avirulence Genes ◽  
Host Genotype ◽  
Gene For Gene

Host genotype specificity in interactions between biotrophic fungal pathogens and plants in most cases complies with the gene-for-gene model. Success or failure of infection is determined by the absence or presence of complementary genes, avirulence and resistance genes, in the pathogen and the host plant, respectively. Resistance, expressed by the induction of a hypersensitive response followed by other defence responses in the host, is envisaged to be based on recognition of the pathogen, mediated through direct interaction between products of avirulence genes of the pathogen (the so-called race-specific elicitors) and receptors in the host plant, the putative products of resistance genes. The interaction between the biotrophic fungus Cladosporium fulvum and its only host, tomato, is a model system to study fungus–plant gene-for-gene relationships. Here we review research on isolation, characterization, and biological function of two race-specific elicitors AVR4 and AVR9 of C. fulvum and cloning and regulation of their encoding genes. Key words: avirulence genes, race-specific elicitors, resistance genes, hypersensitive response, host defense responses.

scholarly journals Apple Contains Receptor-like Genes Homologous to the Cladosporium fulvum Resistance Gene Family of Tomato with a Cluster of Genes Cosegregating with Vf Apple Scab Resistance

2001 ◽  
Vol 14 (4) ◽  
pp. 508-515 ◽  
Author(s):  
Boris A. Vinatzer ◽  
Andrea Patocchi ◽  
Luca Gianfranceschi ◽  
Stefano Tartarini ◽  
Hong-Bin Zhang ◽  
...  
Keyword(s):  
Gene Family ◽  
Resistance Gene ◽  
Resistance Genes ◽  
Transmembrane Domain ◽  
Venturia Inaequalis ◽  
Scab Resistance ◽  
Common Disease ◽  
Resistance Locus ◽  
Cladosporium Fulvum ◽  
High Quality

Scab caused by the fungal pathogen Venturia inaequalis is the most common disease of cultivated apple (Malus × domestica Borkh.). Monogenic resistance against scab is found in some small-fruited wild Malus species and has been used in apple breeding for scab resistance. Vf resistance of Malus floribunda 821 is the most widely used scab resistance source. Because breeding a high-quality cultivar in perennial fruit trees takes dozens of years, cloning disease resistance genes and using them in the transformation of high-quality apple varieties would be advantageous. We report the identification of a cluster of receptor-like genes with homology to the Cladosporium fulvum (Cf) resistance gene family of tomato on bacterial artificial chromosome clones derived from the Vf scab resistance locus. Three members of the cluster were sequenced completely. Similar to the Cf gene family of tomato, the deduced amino acid sequences coded by these genes contain an extracellular leucine-rich repeat domain and a transmembrane domain. The transcription of three members of the cluster was determined by reverse transcription-polymerase chain reaction to be constitutive, and the transcription and translation start of one member was verified by 5′ rapid amplification of cDNA ends. We discuss the parallels between Cf resistance of tomato and Vf resistance of apple and the possibility that one of the members of the gene cluster is the Vf gene. Cf homologs from other regions of the apple genome also were identified and are likely to present other scab resistance genes.

The Solanum pimpinellifolium Cf-ECP1 and Cf-ECP4 genes for resistance to Cladosporium fulvum are located at the Milky Way locus on the short arm of chromosome 1

2007 ◽  
Vol 115 (8) ◽  
pp. 1127-1136 ◽  
Author(s):  
Eleni Soumpourou ◽  
Michael Iakovidis ◽  
Laetitia Chartrain ◽  
Verity Lyall ◽  
Colwyn M. Thomas
Keyword(s):  
Milky Way ◽  
Chromosome 1 ◽  
Cladosporium Fulvum ◽  
Solanum Pimpinellifolium

Mapping Blast Resistance Genes in Rice Varieties ‘Minghui 63’ and ‘M-202’

Plant Disease ◽  
2021 ◽  
Author(s):  
Yulin Jia ◽  
Melissa H Jia ◽  
Zongbu Yan
Keyword(s):  
Resistance Genes ◽  
Blast Resistance ◽  
Interval Mapping ◽  
Blast Disease ◽  
Chromosome 1 ◽  
Rice Breeding ◽  
Resistance Qtls ◽  
Rice Varieties ◽  
Short Period ◽  
Blast Resistance Genes

Rice blast disease caused by the fungus Magnaporthe oryzae (syn. M. grisea) is one of the most lethal diseases for sustainable rice production worldwide. Blast resistance mediated by major resistance genes are often broken-down after a short period of deployment, while minor blast resistance genes, each providing a small effect on disease reactions, are more durable. In the present study, we first evaluated disease reactions of two rice breeding parents ‘Minghui 63’ and ‘M-202’ with 11 US blast races, IA45, IB1, IB45, IB49, IB54, IC1, IC17, ID1, IE1, IG1, and IH1 commonly found under greenhouse conditions using a category disease rating resembling infection types under field conditions. ‘Minghui 63’ exhibited differential resistance responses in comparison with that of ‘M-202’ to the tested blast races. A recombinant inbred line (RIL) population of 275 lines from a cross between ‘Minghui 63’ and ‘M-202’ was also evaluated with the above mentioned blast races. The population was genotyped with 156 simple sequence repeat (SSR) and insertion and deletion (Indel) markers. A linkage map with a genetic distance of 1022.84 cM was constructed using inclusive composite interval mapping (ICIM) software. A total of 10 resistance QTLs, eight from ‘Minghui 63’ and two from ‘M-202’, were identified. One major QTL, qBLAST2 on chr 2, was identified by seven races/isolates. The remaining nine minor resistance QTLs were mapped on chromosome 1, 3, 6, 9, 10, 11 and 12. These findings provide useful genetic markers and resources to tag minor blast resistance genes for marker assisted selection in rice breeding program and for further studies of underlying genes.

Plant disease resistance genes: unravelling how they work

1995 ◽  
Vol 73 (S1) ◽  
pp. 495-505 ◽  
Author(s):  
Kim E. Hammond-Kosack ◽  
Jonathan D. G. Jones
Keyword(s):  
Resistance Genes ◽  
Plant Disease Resistance ◽  
Defense Responses ◽  
Host Responses ◽  
Cladosporium Fulvum ◽  
Avirulence Genes ◽  
In Planta ◽  
Molecular Events ◽  
Cf Resistance Genes ◽  
Avr Gene

Resistance (R) genes confer on a plant the ability to defend itself following microbial attack. Each R gene exhibits an extreme specificity of action and is only effective against a microbe that has the corresponding functional avirulence (Avr) gene. This article reviews the strategies and experimental approaches deployed to understand the molecular events underlying the specificity of action of various tomato Cf resistance genes that results in incompatibility to the fungal pathogen Cladosporium fulvum. Topics covered include the clustering of Cf genes, the biology of Cf-dependent incompatibility, the map-based and transposon tagging approaches used to clone the Cf-2 and Cf-9 genes, respectively, identification by mutagenesis of other plant loci required for full Cf-9 mediated resistance, the expression of a functional Avr9 gene in planta and its lethal consequences to Cf-9 containing plants, the physiological and molecular host responses to C. fulvum and AVR elicitor challenges and some genetic approaches to ascertain the crucial components of the defense response. Key words: Cladosporium fulvum, Lycopersicon esculentum, tomato leaf mold, Cf resistance genes, fungal avirulence genes, plant defense responses.

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