Abstract
Mango, a typical respiratory climacteric fruit, is susceptible to a short shelf life and quality deterioration during postharvest ripening. Although low temperature can prolong the storage time significantly, its effects on fruit quality have yet to be elucidated. Through a combination of transcriptome and metabolome analyses, this study aimed to elucidate the effects of low-temperature storage on the biosynthesis of volatile organic compounds (VOCs), flavonoids, sucrose, and the degradation of organic acids in mango. Carbohydrate-related metabolism maintained high activity when stored at 13 °C by upregulating the expression of certain gene members in the neutral invertase (NI), sucrose phosphate synthase (SPS), and sucrose synthase (SS) families. Similarly, low temperature suppressed the expression of an ethylene receptor (ETR) gene (mango007369), compensated by another member in the ETR family (mango016667). The increased accumulation of flavonoids when stored at l3 °C aligned with the enhanced expression of genes related to flavonoid synthesis in mango fruit, such as flavanone 3-hydroxylase (F3H), flavonoid 3'-hydroxylase (F3’H), and chalcone isomerase (CHI). However, in comparison to storage at 30 °C, low-temperature storage reduced the total soluble solids (TSS) but increased the accumulation of several organic acids. Low temperature almost entirely inhibited the synthesis of VOCs, which further decreased the commercial quality. The findings revealed the impact of storage temperature on mango quality and offered insights for maintaining quality at low temperatures.
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Claims 9
Claim · model-written summary
At 13 °C carbohydrate metabolism stayed highly active with upregulation of NI, SPS and SS family genes.
- Taxon
- mangoes
_from_India.jpg?width=60)
Mangifera indicat0 - Treatment
- stored at 13 °Ce0
- Gene
- neutral invertase (NI), sucrose phosphate synthase (SPS), and sucrose synthase (SS)e0
- Outcome
- Carbohydrate-related metabolism maintained high activitye0
- Direction
- high activitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_from_India.jpg?width=500)
Verbatim
e0“Carbohydrate-related metabolism maintained high activity when stored at 13 °C by upregulating the expression of certain gene members in the neutral invertase (NI), sucrose phosphate synthase (SPS), and sucrose synthase (SS) families”
t0“mangoes”
Claim · model-written summary
Low temperature suppressed expression of ETR gene mango007369.
- Taxon
- mangoesMangifera indicat0
- Treatment
- low temperaturee0
- Gene
- mango007369e0
- Outcome
- expressione0
- Direction
- suppressede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“low temperature suppressed the expression of an ethylene receptor (ETR) gene (mango007369)”
t0“mangoes”
Claim · model-written summary
Another ETR member, mango016667, compensated for the suppressed member.
- Taxon
- mangoesMangifera indicat0
- Gene
- mango016667e0
- Outcome
- compensated by another member in the ETR familye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“compensated by another member in the ETR family (mango016667)”
t0“mangoes”
Claim · model-written summary
Flavonoids accumulated more at 13 °C.
- Taxon
- mangoesMangifera indicat0
- Treatment
- stored at l3 °Ce0
- Outcome
- accumulation of flavonoidse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The increased accumulation of flavonoids when stored at l3 °C”
t0“mangoes”
Claim · model-written summary
Expression of F3H, F3’H and CHI was enhanced in mango fruit under cool storage.
- Taxon
- mangoMangifera indicae0
- Gene
- flavanone 3-hydroxylase (F3H), flavonoid 3'-hydroxylase (F3’H), and chalcone isomerase (CHI)e0
- Outcome
- expression of genes related to flavonoid synthesise0
- Direction
- enhancede0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“enhanced expression of genes related to flavonoid synthesis in mango fruit, such as flavanone 3-hydroxylase (F3H), flavonoid 3'-hydroxylase (F3’H), and chalcone isomerase (CHI)”
Claim · model-written summary
Low-temperature storage reduced total soluble solids relative to 30 °C.
- Taxon
- mangoesMangifera indicat0
- Treatment
- low-temperature storagee0
- Outcome
- total soluble solids (TSS)e0
- Direction
- reducede0
- Comparator
- storage at 30 °Ce0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in comparison to storage at 30 °C, low-temperature storage reduced the total soluble solids (TSS)”
t0“mangoes”
Claim · model-written summary
Low-temperature storage increased accumulation of several organic acids relative to 30 °C.
- Taxon
- mangoesMangifera indicat0
- Treatment
- low-temperature storagee0
- Outcome
- accumulation of several organic acidse0
- Direction
- increasede0
- Comparator
- storage at 30 °Ce0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in comparison to storage at 30 °C, low-temperature storage reduced the total soluble solids (TSS) but increased the accumulation of several organic acids”
t0“mangoes”
Claim · model-written summary
Low temperature nearly inhibited VOC synthesis.
- Taxon
- mangoesMangifera indicat0
- Treatment
- Low temperaturee0
- Outcome
- synthesis of VOCse0
- Direction
- almost entirely inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Low temperature almost entirely inhibited the synthesis of VOCs”
t0“mangoes”
Claim · model-written summary
Inhibited VOC synthesis further reduced commercial quality.
- Taxon
- mangoesMangifera indicat0
- Outcome
- commercial qualitye0
- Direction
- decreasede0
- Qualifier
- synthesis of VOCse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Low temperature almost entirely inhibited the synthesis of VOCs, which further decreased the commercial quality”
t0“mangoes”
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