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Iron Deficiency in Tomatoes Reversed by Strains: A Synergistic Role of Siderophores and Plant Gene Activation.
Plants (Basel)
December 2024
Plant Physiology, Pharmaceutical and Health Sciences Department, Faculty of Pharmacy, San Pablo-CEU Universities, 28668 Boadilla del Monte, Spain.
An alkaline pH in soils reduces Fe availability, limiting Fe uptake, compromising plant growth, and showing chlorosis due to a decrease in chlorophyll content. To achieve proper Fe homeostasis, dicotyledonous plants activate a battery of strategies involving not only Fe absorption mechanisms, but also releasing phyto-siderophores and recruiting siderophore-producing bacterial strains. A screening for siderophore-producing bacterial isolates from the rhizosphere of was carried out, resulting in two strains, Z8.
View Article and Find Full Text PDFPE7-Mediated Alleviation of Phosphate Starvation and Growth Promotion of Netted Melon ( L. var. Naud.).
Microorganisms
November 2024
Environmentally-Friendly Agricultural Research Center, College of Agriculture and Life Sciences, Chonnam National University, Gwangju 61186, Republic of Korea.
Members of species are able to enhance the level of available phosphorus (P) for plant absorption through mechanisms of P solubilization and mineralization. In our study, PE7 showed P-solubilizing activity in simple phosphate broth (SPB) medium, and acetic acid, iso-butyric acid, and iso-valeric acid were major organic acids responsible for the increase in soluble P and decrease in pH of SPB medium. In addition, strain PE7 released phytase on phytase-screening agar (PSA) medium, and analysis of semi-quantitative reverse transcription and polymerase chain reaction (sqRT-PCR) revealed that the gene expression was the highest at 1 day after incubation.
View Article and Find Full Text PDFUnraveling the Effects of Hexametaphosphate: Insights into Trypsin Aggregation and Structural Reversal.
ACS Omega
December 2024
Department of Biochemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia.
Elevated serum phosphate levels have been linked to increased mortality rates. This study investigated the effect of millimolar (mM) concentrations of sodium hexametaphosphate (SHMP) on trypsin's aggregation and structural stability at intestinal pH levels. We used various spectroscopic and microscopic techniques to investigate the structural changes of trypsin aggregates.
View Article and Find Full Text PDFWith the rapid emergence of pufferfish aquaculture and processing industries, fish skin is underutilized as a byproduct of processing, leading to resource waste. In this study, skin collagen (TBSC) was extracted by acetic acid solubilization and its physicochemical properties were analyzed. The effects of TBSC and the TBSC hydrolysate (TBSCH) on ultraviolet (UV) irradiation-induced photoaging were investigated using a mouse model.
View Article and Find Full Text PDFEnhancing maize drought and heat tolerance: single vs combined plant growth promoting rhizobacterial inoculation.
Front Plant Sci
December 2024
Unit for Environment Science and Management, North-West University, Potchefstroom, South Africa.
Maize ( L.), a key staple crop in Sub-Saharan Africa, is particularly vulnerable to concurrent drought and heat stress, which threatens crop yield and food security. Plant growth-promoting rhizobacteria (PGPR) have shown potential as biofertilizers to enhance plant resilience under such abiotic stresses.
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