Analysis of Varietal Differences in the Fructo-oligosaccharide Accumulation Profile among Onion (&lt;i&gt;Allium cepa&lt;/i&gt; L.) Cultivars Grown by Spring-sown Cultivation

Maeda, Tatsuaki; Watanabe, Ayumi; Wambrauw, Daniel Z.K.; Osanai, Sachiyo; Honda, Kentaro; Oku, S.; Shimura, Hanako; Suzuki, Takashi; Yamasaki, Akira; Okabe, Yosuke; Ueno, Koichi; Onodera, Satoshi

doi:10.2503/hortj.okd-068

Cited by 11 publications

(6 citation statements)

References 25 publications

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“…The same patterns were observed in both years, and the results for 'Momiji No. 3', 'Marso', 'Okhotsk 222', and 'Kitamomiji 2000' agreed with previous studies that were conducted in Aomori prefecture in the Tohoku region (Maeda et al, 2017;Oku et al, 2018). Therefore, the data reported previously can be reliably validated by this study.…”

Section: Discussionsupporting

confidence: 89%

“…'Turbo' and 'Aurora' were early maturing cultivars, and 'Super Kitamomiji' and 'Gunnison' were late maturing cultivars, compared to the other four cultivars in springsowing cultivation in the Tohoku region. In general, long-day onion cultivars are sown in cold regions for spring-sowing cultivation and short-day cultivars are sown in warm regions for autumn-sowing cultivation (Maeda et al, 2017); suitable cultivars are bred and sold by many vegetable seed breeding companies. A comparison of plant growth and bulb development between long-day and short-day or intermediate-day cultivars with the same cropping system has not previously been reported.…”

Section: Discussionmentioning

confidence: 99%

“…According to data from the Food and Agriculture Organization of the United Nations (<http:// faostat.fao.org/>, March 16, 2020), the total world pro-duction of dry bulb onion was about 96.8 million tons in 2018. In Japan, onion production was about 1.2 million tons in 2018 according to the statistical data of the Ministry of Agriculture, Forestry and Fisheries of Japan (<http://www.maff.go.jp/j/tokei/>, March 16, 2020), and these onions are primarily grown in two geographically isolated areas in Japan with two different cultivation methods (Maeda et al, 2017). In Hokkaido prefecture, the largest onion production area in Japan with a relatively cool climate, onions are sown in spring and harvested from late summer to autumn; these onions are stored and supplied until spring.…”

Section: Introductionmentioning

confidence: 99%

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A Comparative Study on the Growth and Bulb Development of Several Onion (<i>Allium cepa</i> L.) Cultivars Sown in Spring in the Northeast Region of Japan

et al. 2020

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Onion (Allium cepa L.) is one of the most important vegetable crops worldwide. In Japan, it is grown using two different cultivation methods (spring-sowing and autumn-sowing). The traditional cultivation method for onion in the Tohoku region in northeast Japan has been autumn sowing; however, onion productivity has been low. Recently, spring sowing of onion has been established in this region to improve onion productivity in the off-crop season. To better understand the spring-sowing cultivation method, we examined the plant growth and bulb development of eight commercially-grown onion cultivars ('Turbo', 'Aurora', 'Momiji No. 3', 'Marso', 'Okhotsk 222', 'Kitamomiji 2000', 'Super Kitamomiji', and 'Gunnison') throughout the growth period. The results showed that this cultivation method enabled us to grow and compare relatively long-day and intermediate-day cultivars at the same time, under the same environmental conditions. Onion bulb development was induced and persisted during long day-lengths and was inhibited by short day-lengths which were longer or shorter than the critical day-lengths for bulb development of each cultivar. To elucidate this mechanism, expression analysis of AcFTs related to bulb development was conducted. Our expression analysis showed that AcFT1 was expressed in accordance with the maturity of the cultivars, and this gene expression can be used as an index for maturity types of the cultivars and bulb development. The results indicate that onion responds to a critical day-length for bulb development and starts bulb development before the bulbing ratio greatly exceeds 2. This metric can be used as an index of bulb development.

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Section: Discussionsupporting

confidence: 89%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A Comparative Study on the Growth and Bulb Development of Several Onion (<i>Allium cepa</i> L.) Cultivars Sown in Spring in the Northeast Region of Japan

et al. 2020

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“…Notably, red onions contained high amounts of neokestose, which accounted for 1.92 g/100 g fresh weight, thus elevating the FOSs content up to 6.68 g/100 g of fresh weight. Still, comparisons of the yields of individual FOSs obtained from plant sources, specifically onions, were difficult since there are many forms of FOSs that depend upon the type and variety of onion [ 21 ]. This would be related to the complexed enzymatic biosynthesis of FOSs, which in turn limited the quantitative detection of FOSs.…”

Section: Discussionmentioning

confidence: 99%

Purification and characterization of crude fructooligosaccharides extracted from red onion (Allium cepa var. viviparum) by yeast treatment

Aisara,

Wongsanittayarak,

Leangnim

et al. 2024

Microb Cell Fact

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Background Yeast treatment has been used for purification of fructooligosaccharides (FOSs). However, the main drawback of this approach is that yeast can only partially remove sucrose from crude FOSs. The main objective of this research was to screen yeast strains for the capability of selectively consuming unwanted sugars, namely fructose, glucose, and sucrose, in crude FOSs extracted from red onion (Allium cepa var. viviparum) with minimal effect on FOS content. Results Among 43 yeast species isolated from Miang, ethnic fermented tea leaves, and Assam tea flowers, Candida orthopsilosis FLA44.2 and Priceomyces melissophilus FLA44.8 exhibited the greatest potential to specifically consume these unwanted sugars. In a shake flask, direct cultivation of C. orthopsilosis FLA44.2 was achieved in the original crude FOSs containing an initial FOSs concentration of 88.3 ± 1.2 g/L and 52.9 ± 1.2 g/L of the total contents of fructose, glucose, and sucrose. This was successful with 93.7% purity and 97.8% recovery after 24 h of cultivation. On the other hand, P. melissophilus FLA48 was limited by initial carbohydrate concentration of crude FOSs in terms of growth and sugar utilization. However, it could directly purify two-fold diluted crude FOSs to 95.2% purity with 92.2% recovery after 72 h of cultivation. Purification of crude FOSs in 1-L fermenter gave similar results to the samples purified in a shake flask. Extracellular β-fructosidase was assumed to play a key role in the effective removal of sucrose. Both Candida orthopsilosis FLA44.2 and P. melissophilus FLA44.8 showed γ-hemolytic activity, while their culture broth had no cytotoxic effect on viability of small intestinal epithelial cells, preliminarily indicating their safety for food processing. The culture broth obtained from yeast treatment was passed through an activated charcoal column for decolorization and deodorization. After being freeze dried, the final purified FOSs appeared as a white granular powder similar to refined sugar and was odorless since the main sulfur-containing volatile compounds, including dimethyl disulfide and dipropyl trisulfide, were almost completely removed. Conclusion The present purification process is considered simple and straight forward, and provides new and beneficial insight into utilization of alternative yeast species for purification of FOSs.

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“…Therefore, it is likely that the variation of bulb at the suitable time in diverse latitudes comprises similar mechanisms. Leek is a significant Allium crop that does not contain bulbs and consequently privations a photoperiodic obligation [229][230][231][232][233][234][235]. These landscapes let leeks be implanted during the whole season and fully grow over a wide range of latitudes.…”

Section: Ft Gene Regulates Bulb Formationmentioning

confidence: 99%

Mechanism of Allium Crops Bulb Enlargement in Response to Photoperiod: A Review

Atif

Ahanger

Amin

et al. 2020

IJMS

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The photoperiod marks a varied set of behaviors in plants, including bulbing. Bulbing is controlled by inner signals, which can be stimulated or subdued by the ecological environment. It had been broadly stated that phytohormones control the plant development, and they are considered to play a significant part in the bulb formation. The past decade has witnessed significant progress in understanding and advancement about the photoperiodic initiation of bulbing in plants. A noticeable query is to what degree the mechanisms discovered in bulb crops are also shared by other species and what other qualities are also dependent on photoperiod. The FLOWERING LOCUS T (FT) protein has a role in flowering; however, the FT genes were afterward reported to play further functions in other biological developments (e.g., bulbing). This is predominantly applicable in photoperiodic regulation, where the FT genes seem to have experienced significant development at the practical level and play a novel part in the switch of bulb formation in Alliums. The neofunctionalization of FT homologs in the photoperiodic environments detects these proteins as a new class of primary signaling mechanisms that control the growth and organogenesis in these agronomic-related species. In the present review, we report the underlying mechanisms regulating the photoperiodic-mediated bulb enlargement in Allium species. Therefore, the present review aims to systematically review the published literature on the bulbing mechanism of Allium crops in response to photoperiod. We also provide evidence showing that the bulbing transitions are controlled by phytohormones signaling and FT-like paralogues that respond to independent environmental cues (photoperiod), and we also show that an autorelay mechanism involving FT modulates the expression of the bulbing-control gene. Although a large number of studies have been conducted, several limitations and research gaps have been identified that need to be addressed in future studies.

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Analysis of Varietal Differences in the Fructo-oligosaccharide Accumulation Profile among Onion (<i>Allium cepa</i> L.) Cultivars Grown by Spring-sown Cultivation

Cited by 11 publications

References 25 publications

A Comparative Study on the Growth and Bulb Development of Several Onion (<i>Allium cepa</i> L.) Cultivars Sown in Spring in the Northeast Region of Japan

A Comparative Study on the Growth and Bulb Development of Several Onion (<i>Allium cepa</i> L.) Cultivars Sown in Spring in the Northeast Region of Japan

Purification and characterization of crude fructooligosaccharides extracted from red onion (Allium cepa var. viviparum) by yeast treatment

Mechanism of Allium Crops Bulb Enlargement in Response to Photoperiod: A Review

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