Gene Details

Gene Locus Name Chromosome Arm Marker type
t tangerine 10 L Morph
Allele Allele Name Synonyms Source Notes Phenotype Category/Primary
-- SPON Butler 1952 J Hered 43:25. t=carotenoid isomerase (Isaacson et al 2002 Pl Cell 14:333) Tangerine or rich orange color of fruit flesh. Lycopene largely replaced by prolycopene (cis- instead of trans-lycopene). Anthers and corolla orange-yellow toned, to which wf is epistatic.
Fruit color, flavor, or ripening modification Yes
Flower form or color No
2 t1^2 Stubbe 1965 Kulturpflanze 13:537. In S. pimpinellifolium. Yellowish growing point; light green foliage; resembles t in flower an fruit color
Fruit color, flavor, or ripening modification Yes
Chlorophyll deficiency: light, grey, or dull green No
Flower form or color No
mic RAD Induced by fast neutrons in Micro-Tom Fruit phenotype similar to original tangerine allele; also accumulates prolycopene in leaves.
Fruit color, flavor, or ripening modification yes
Flower form or color no
v virescent RAD Lesley & Lesley 1956 TGC 6:17. 32P-induced in cv. Canary Export. Furit and flower color typical of t; irregular yellowing near growing point; t/t^v heterozygotes have tangerine fruit but normal leaves.
Fruit color, flavor, or ripening modification Yes
Flower form or color No
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