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A COSII genetic map of the pepper genome provides a detailed picture of synteny with tomato and new insights into recent chromosome evolution in the genus Capsicum
The high resolution COSII synteny map described herein provides a platform for cross-reference of genetic and genomic information (including the tomato genome sequence) between pepper and tomato and therefore will facilitate both applied and basic research in pepper.
The Pun1 gene for pungency in pepper encodes a putative acyltransferase.
Gen mapping, allele sequence data, expression profile and silencing analysis collectively indicate that the Pun1 locus in pepper encodes a putative acyltransferase, and the pun1 allele, used in pepper breeding for nearly 50 000 years, results from a large deletion at this locus.
Genetic control of pungency in C. chinense via the Pun1 locus.
- C. Stewart, M. Mazourek, G. Stellari, M. O’Connell, M. Jahn
- BiologyJournal of experimental botany
- 1 March 2007
Results establish that blister formation requires the Pun1 allele and that pun1(2) is a recessive allele from C. chinense that results in non-pungency.
Molecular mapping of capsaicinoid biosynthesis genes and quantitative trait loci analysis for capsaicinoid content in Capsicum
QTL interval analysis for individual and total capsaicinoid content identified a major QTL, termed cap, which explained 34–38% of the phenotypic variation for this trait in two growing environments.
QTL analysis for capsaicinoid content in Capsicum
- Arnon Ben-Chaim, Y. Borovsky, M. Jahn
- Biology, MedicineTheoretical and Applied Genetics
- 8 September 2006
The major contribution to the phenotypic variation of capsaicinoid content was attributed to a digenic interaction between a main-effect QTL, cap7.1, and a marker located on chromosome 2 that did not have a main effect on the trait.
Molecular mapping of the C locus for presence of pungency in Capsicum.
A PCR-based CAPS (cleaved amplified polymorphic sequence) marker linked to C was developed using the sequence of the Capsicum fibrillin gene located 0.4 cM from C to demonstrate this point.
A cytochrome P450 regulates a domestication trait in cultivated tomato
- Manohar Chakrabarti, N. Zhang, E. van der Knaap
- Biology, MedicineProceedings of the National Academy of Sciences
- 30 September 2013
The findings suggest that the allele giving rise to large fruit arose in the early domesticates of tomato and becoming progressively more abundant upon further selections, shedding light on the molecular basis of fruit mass, a key domestication trait in tomato and other fruit and vegetable crops.
A Dynamic Interface for Capsaicinoid Systems Biology1[C][W][OA]
- M. Mazourek, A. Pujar, Y. Borovsky, I. Paran, L. Mueller, M. Jahn
- BiologyPlant Physiology
- 24 June 2009
This work has implemented a comprehensive model of capsaicinoid biosynthesis and made it publicly available within the SolCyc database at the SOL Genomics Network and integrated these resources as a holistic and dynamic model of the characteristic specialized metabolism of pepper.
Contrasting modes for loss of pungency between cultivated and wild species of Capsicum
The identification of an unreported null allele of Pun1 from a non-pungent accession of Capsicum frutescens, the third species in the annuum–chinense–frutescens complex of domesticated Capsicums is presented.
Activator Mutagenesis of the Pink scutellum1/viviparous7 Locus of Maize Article, publication date, and citation information can be found at www.plantcell.org/cgi/doi/10.1105/tpc.010249.
The utility of an Ac mutagenesis program to efficiently generate allelic diversity at closely linked loci in maize is demonstrated through the targeted Mutagenesis of the pink scutellum1/viviparous7 (ps1/vp7) locus.