scholarly journals LCM-seq reveals the crucial role of LsSOC1 in heat-promoted bolting of lettuce (Lactuca sativa L.)

2018 ◽  
Vol 95 (3) ◽  
pp. 516-528 ◽  
Author(s):  
Zijing Chen ◽  
Wensheng Zhao ◽  
Danfeng Ge ◽  
Yingyan Han ◽  
Kang Ning ◽  
...  
Keyword(s):  
Lactuca Sativa ◽  
Crucial Role ◽  
Lactuca Sativa L

The high reducing sugar content during germination contributes to desiccation damage in lettuce (Lactuca sativa L.) radicles

1995 ◽  
Vol 5 (3) ◽  
pp. 145-149 ◽  
Author(s):  
P. van der Toorn ◽  
B. D. McKersie
Keyword(s):  
Hydroxyl Radicals ◽  
Lactuca Sativa ◽  
Sugar Content ◽  
Primary Source ◽  
Reducing Sugar ◽  
Amino Groups ◽  
Lettuce Seeds ◽  
Lactuca Sativa L ◽  
Lipid Aldehydes

AbstractAt the time of protrusion, radicles of lettuce seeds became susceptible to desiccation damage. Concomitant with radicle elongation, both the reducing sugar content and the amount of lipid-aldehydes increased. The role of the hydroxy- and lipid-aldehydes in browning reactions that occurred during desiccation and re-imbibition was analysed. It was concluded that both types of aldehydes reacted with amino-groups during desiccation and that the increase in lipid-aldehydes during germination could be due to the augmented reducing sugar content. Therefore, the high reducing sugar content in radicles of germinated lettuce seeds may be the primary source of hydroxyl radicals, and thereby, a principal cause of desiccation damage.

scholarly journals Phytochemical Responses to Salt Stress in Red and Green Baby Leaf Lettuce (Lactuca sativa L.) Varieties Grown in a Floating Hydroponic Module

Separations ◽  
2021 ◽  
Vol 8 (10) ◽  
pp. 175
Author(s):  
Giandomenico Corrado ◽  
Paola Vitaglione ◽  
Maria Giordano ◽  
Giampaolo Raimondi ◽  
Francesco Napolitano ◽  
...  
Keyword(s):  
Salt Stress ◽  
Lactuca Sativa ◽  
Leaf Traits ◽  
Leafy Vegetables ◽  
Response Models ◽  
Lactuca Sativa L ◽  
Harvest Strategy ◽  
Leaf Lettuce ◽  
Full Factorial

Lettuce (Lactuca sativa L.) is one of the most popular leafy vegetables, appreciated globally as a low-calorie food with bioactive compounds. The application of a low dose of abiotic stress is considered a sustainable pre-harvest strategy to modify the nutraceutical value of horticultural products. In this work, we explored the response of two differently colored (red or green) baby leaf lettuce varieties to four NaCl concentrations in the nutrient solution (from 1 to 30 mM), using a full factorial design. We focused on leaf morphological parameters and possible phytochemical enhancement of the main polyphenols and anthocyanins, analyzed by LC-MS. The response to low-to-moderate salt stress exposure was affected mainly by salt concentration for leaf traits or by the cultivar for leaf color, with very limited factors’ interactions. Multivariate analysis indicated a predominant role of the genotypic factor in shaping differences in the two weeks growing cycle for baby leaf lettuce. Phytochemically, different dose–response models to sub-optimal saline conditions may be applied to the various compounds. A significant hormetic stimulation was present only for cyanidin-malonyl glucoside, the main anthocyanin present in the red cultivar.

Role of sucrose in modulating the low‐nitrogen‐induced accumulation of phenolic compounds in lettuce ( Lactuca sativa L.)

2020 ◽  
Vol 100 (15) ◽  
pp. 5412-5421
Author(s):  
Weiwei Zhou ◽  
Xin Liang ◽  
Yuxue Zhang ◽  
Peibin Dai ◽  
Bin Liang ◽  
...  
Keyword(s):  
Phenolic Compounds ◽  
Lactuca Sativa ◽  
Lactuca Sativa L ◽  
Low Nitrogen

scholarly journals Inflorescence Development and the Role of LsFT in Regulating Bolting in Lettuce (Lactuca sativa L.)

2018 ◽  
Vol 8 ◽  
Author(s):  
Zijing Chen ◽  
Yingyan Han ◽  
Kang Ning ◽  
Yunyu Ding ◽  
Wensheng Zhao ◽  
...  
Keyword(s):  
Lactuca Sativa ◽  
Inflorescence Development ◽  
Lactuca Sativa L

Effect of proline on biochemical and molecular mechanisms in lettuce (Lactuca sativa L.) exposed to UV-B radiation

2017 ◽  
Vol 16 (2) ◽  
pp. 246-254 ◽  
Author(s):  
Ozkan Aksakal ◽  
Dilruba Tabay ◽  
Aslıhan Esringu ◽  
Feyza Icoglu Aksakal ◽  
Nevzat Esim
Keyword(s):  
Oxidative Stress ◽  
Lactuca Sativa ◽  
Molecular Mechanisms ◽  
Lactuca Sativa L ◽  
Radiation Induced

The purpose of the present study was to evaluate the role of proline (Pro) in relieving UV-B radiation-induced oxidative stress in lettuce.

scholarly journals Influence of the Choice of Cultivar and Soil Fertilization on PTE Concentrations in Lactuca sativa L. in the Framework of the Regenerative Agriculture Revolution

Land ◽  
2021 ◽  
Vol 10 (10) ◽  
pp. 1053
Author(s):  
Daniela Baldantoni ◽  
Alessandro Bellino ◽  
Angela Cicatelli ◽  
Stefano Castiglione
Keyword(s):  
Lactuca Sativa ◽  
Toxic Elements ◽  
Relative Weight ◽  
Potentially Toxic Elements ◽  
Soil Fertilization ◽  
Cd Accumulation ◽  
Lactuca Sativa L ◽  
Linear Modelling ◽  
Regenerative Agriculture

Evaluating the relative weight of the choice of cultivar and soil fertilization on potentially toxic elements (PTEs) accumulation is crucial in promoting informed decisions in the framework of regenerative agriculture. To this end, 11 PTEs (Cd, Cr, Cu, Fe, K, Mg, Mn, Na, Ni, Pb, Zn) were determined in both leaves and roots of six cultivars (Stylist, Xanadu, Aljeva, Bacio, Analena, Vincenzo) of lettuce (Lactuca sativa L.) grown side by side on mineral fertilized or biowaste compost amended soils, under greenhouse conditions. The use of multivariate and linear modelling approaches indicated that the organ and cultivar primarily account for the variability in PTE concentrations. In terms of PTE partitioning between organs, Cd and Mg were preferentially accumulated in leaves, whereas Cu, Pb, K and Zn in roots. As for the cultivar, Xanadu showed the highest concentrations of several PTEs, with Cd reaching concerning levels. Fertilization had a detectable contribution only on Cd accumulation, slightly increased in leaves by compost. Findings highlight the key role of cultivar choice in guaranteeing food safety and grant the possibility to adopt biowaste compost in regenerative agriculture without concerns about PTE accumulation enhancements in lettuce, but demand a cautionary approach in the case of Cd.

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