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Carotenoid accumulation during tomato fruit ripening is modulated by the auxin-ethylene balance

Overview of attention for article published in BMC Plant Biology, May 2015
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Title
Carotenoid accumulation during tomato fruit ripening is modulated by the auxin-ethylene balance
Published in
BMC Plant Biology, May 2015
DOI 10.1186/s12870-015-0495-4
Pubmed ID
Authors

Liyan Su, Gianfranco Diretto, Eduardo Purgatto, Saïda Danoun, Mohamed Zouine, Zhengguo Li, Jean-Paul Roustan, Mondher Bouzayen, Giovanni Giuliano, Christian Chervin

Abstract

Tomato fruit ripening is controlled by ethylene and is characterized by a shift in color from green to red, a strong accumulation of lycopene, and a decrease in β-xanthophylls and chlorophylls. The role of other hormones, such as auxin, has been less studied. Auxin is retarding the fruit ripening. In tomato, there is no study of the carotenoid content and related transcript after treatment with auxin. We followed the effects of application of various hormone-like substances to "Mature-Green" fruits. Application of an ethylene precursor (ACC) or of an auxin antagonist (PCIB) to tomato fruits accelerated the color shift, the accumulation of lycopene, α-, β-, and δ-carotenes and the disappearance of β-xanthophylls and chlorophyll b. By contrast, application of auxin (IAA) delayed the color shift, the lycopene accumulation and the decrease of chlorophyll a. Combined application of IAA + ACC led to an intermediate phenotype. The levels of transcripts coding for carotenoid biosynthesis enzymes, for the ripening regulator Rin, for chlorophyllase, and the levels of ethylene and abscisic acid (ABA) were monitored in the treated fruits. Correlation network analyses suggest that ABA, may also be a key regulator of several responses to auxin and ethylene treatments. The results suggest that IAA retards tomato ripening by affecting a set of (i) key regulators, such as Rin, ethylene and ABA, and (ii) key effectors, such as genes for lycopene and β-xanthophyll biosynthesis and for chlorophyll degradation.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 248 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Brazil 2 <1%
France 1 <1%
Italy 1 <1%
Israel 1 <1%
Mexico 1 <1%
Greece 1 <1%
Unknown 241 97%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 57 23%
Student > Master 31 13%
Researcher 29 12%
Student > Bachelor 23 9%
Student > Doctoral Student 16 6%
Other 46 19%
Unknown 46 19%
Readers by discipline Count As %
Agricultural and Biological Sciences 136 55%
Biochemistry, Genetics and Molecular Biology 25 10%
Chemistry 11 4%
Engineering 5 2%
Unspecified 2 <1%
Other 13 5%
Unknown 56 23%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 27 January 2016.
All research outputs
#16,099,609
of 23,881,329 outputs
Outputs from BMC Plant Biology
#1,516
of 3,322 outputs
Outputs of similar age
#159,853
of 266,662 outputs
Outputs of similar age from BMC Plant Biology
#31
of 54 outputs
Altmetric has tracked 23,881,329 research outputs across all sources so far. This one is in the 22nd percentile – i.e., 22% of other outputs scored the same or lower than it.
So far Altmetric has tracked 3,322 research outputs from this source. They receive a mean Attention Score of 3.0. This one is in the 40th percentile – i.e., 40% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 266,662 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 31st percentile – i.e., 31% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 54 others from the same source and published within six weeks on either side of this one. This one is in the 35th percentile – i.e., 35% of its contemporaries scored the same or lower than it.