A dominant gene for yellow fruit in the raspberry

Jennings, D. L.; Carmichael, Eleanor

doi:10.1007/bf00028215

Cited by 9 publications

(4 citation statements)

References 3 publications

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“…Raspberries with yellow or orange pigmentation, which have been described already more than a century ago (Card, 1898), are most probably based on anthocyanin pathway mutants. So far the knowledge is that homozygous recessive alleles tt of gene T are considered to play a fundamental role in determining the yellow color (Crane and Lawrence, 1931; Jennings and Carmichael, 1975). Whether this locus is related to Ans or not cannot be stated here.…”

Section: Discussionmentioning

confidence: 99%

“…oldhamii), “Lumina” (Autumn Bliss × Tulameen), “Autumn Amber” (Polka × EMR earliest breeding line), “Zheltyi Gigant” (Maroseika × Ivanovskaya), and also some orange fruit varieties like “Orange Marie” [(Autumn Bliss × Fallgold) × Fallgold] and “Valentina” (EM6225/11 × EM5588/81). It has been discussed that there might be recessive form tt of gene T responsible for yellow phenotype of fruits (Crane and Lawrence, 1931), however, involvement of other genes has not been excluded which might affect the phenotype in the absence of dominant T allele (Britton et al, 1959; Macha, 1966; Jennings and Carmichael, 1975). Though the plants have been characterized in terms of chemical composition of fruits of yellow and red raspberry genotypes (Carvalho et al, 2013a,b) and the data obtained did not predict significant differences between red and yellow genotypes besides the presence or absence of anthocyanins.…”

Section: Introductionmentioning

confidence: 99%

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Nonsense Mutation Inside Anthocyanidin Synthase Gene Controls Pigmentation in Yellow Raspberry (Rubus idaeus L.)

et al. 2016

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Yellow raspberry fruits have reduced anthocyanin contents and offer unique possibility to study the genetics of pigment biosynthesis in this important soft fruit. Anthocyanidin synthase (Ans) catalyzes the conversion of leucoanthocyanidin to anthocyanidin, a key committed step in biosynthesis of anthocyanins. Molecular analysis of the Ans gene enabled to identify an inactive ans allele in a yellow fruit raspberry (“Anne”). A 5 bp insertion in the coding region was identified and designated as ans+5. The insertion creates a premature stop codon resulting in a truncated protein of 264 amino acids, compared to 414 amino acids wild-type ANS protein. This mutation leads to loss of function of the encoded protein that might also result in transcriptional downregulation of Ans gene as a secondary effect, i.e., nonsense-mediated mRNA decay. Further, this mutation results in loss of visible and detectable anthocyanin pigments. Functional characterization of raspberry Ans/ans alleles via complementation experiments in the Arabidopsis thaliana ldox mutant supports the inactivity of encoded protein through ans+5 and explains the proposed block in the anthocyanin biosynthetic pathway in raspberry. Taken together, our data shows that the mutation inside Ans gene in raspberry is responsible for yellow fruit phenotypes.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Nonsense Mutation Inside Anthocyanidin Synthase Gene Controls Pigmentation in Yellow Raspberry (Rubus idaeus L.)

et al. 2016

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“…None of the correlation coefficients for the association of either preharvest or postharvest Botrytis with fruit firmness was significant (Table 3). Jennings (12) reported a close association in Scotland between firmness and postharvest resistance. However, this association was primarily based on clones such as SHRI 6820/54, derived from the black raspberry (R .…”

Section: Resultsmentioning

confidence: 99%

“…In contrast, on the same date, 'Mailing Leo' showed low preharvest and high postharvest incidences. It has been suggested that relative proximity of fruit on laterals influences preharvest Botrytis spread (11,12). Close spacing, which often gives the appearance of clusters of fruit at the terminal end of the lateral, is conducive to rapid contact spread of the organism.…”

Section: Resultsmentioning

confidence: 99%

Resistance of Red Raspberry Fruit and Canes to Botrytis1

Daubeny

Pepin

1981

J. Amer. Soc. Hort. Sci.

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Red raspberry (Rubus idaeus L.) cultivars and selections with resistance to preharvest fruit rot, caused by Botrytis cinerea Pers. ex. Fr., were identified in a year in which its incidence was much higher than usual in British Columbia. Cultivars and selections with postharvest resistance were also identified. The correlation coefficients between preharvest and postharvest reactions were not particularly strong. Neither cane reactions to the organism nor fruit firmness were associated with fruit reactions.

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