keyword
https://read.qxmd.com/read/38503962/mechanistic-insights-into-dna-damage-recognition-and-checkpoint-control-in-plants
#21
REVIEW
Josephine Herbst, Qian-Qian Li, Lieven De Veylder
The plant DNA damage response (DDR) pathway safeguards genomic integrity by rapid recognition and repair of DNA lesions that, if unrepaired, may cause genome instability. Most frequently, DNA repair goes hand in hand with a transient cell cycle arrest, which allows cells to repair the DNA lesions before engaging in a mitotic event, but consequently also affects plant growth and yield. Through the identification of DDR proteins and cell cycle regulators that react to DNA double-strand breaks or replication defects, it has become clear that these proteins and regulators form highly interconnected networks...
March 19, 2024: Nature Plants
https://read.qxmd.com/read/38502507/extraction-and-quantification-of-lipids-from-plant-or-algae
#22
JOURNAL ARTICLE
Valérie Gros, Josselin Lupette, Juliette Jouhet
In plants and algae, the glycerolipidome changes in response to environmental modifications. For instance, in phosphate starvation, phospholipids are degraded and replaced by non-phosphorus lipids, and in nitrogen starvation, storage lipids accumulate. In addition to the well-known applications of oil crops for food, algae lipids are becoming a model for potential applications in health, biofuel, and green chemistry and are used as a platform for genetic engineering. It is therefore important to measure accurately and quickly the glycerolipid content in plants and algae...
2024: Methods in Molecular Biology
https://read.qxmd.com/read/38500045/long-term-push-pull-cropping-system-shifts-soil-and-maize-root-microbiome-diversity-paving-way-to-resilient-farming-system
#23
JOURNAL ARTICLE
Abdul A Jalloh, Fathiya Mbarak Khamis, Abdullahi Ahmed Yusuf, Sevgan Subramanian, Daniel Munyao Mutyambai
BACKGROUND: The soil biota consists of a complex assembly of microbial communities and other organisms that vary significantly across farming systems, impacting soil health and plant productivity. Despite its importance, there has been limited exploration of how different cropping systems influence soil and plant root microbiomes. In this study, we investigated soil physicochemical properties, along with soil and maize-root microbiomes, in an agroecological cereal-legume companion cropping system known as push-pull technology (PPT)...
March 18, 2024: BMC Microbiology
https://read.qxmd.com/read/38486768/antiobesity-and-antidiabetes-effects-of-cyperus-rotundus-rhizomes-presenting-protein-tyrosine-phosphatase-dipeptidyl-peptidase-4-metabolic-enzymes-stress-oxidant-and-inflammation-inhibitory-potential
#24
JOURNAL ARTICLE
Faiza I A Abdella, Amani Toumi, Sarra Boudriga, Tahani Y A Alanazi, Asma K Alshamari, Ahlam Abdulrahman Alrashdi, Khaled Hamden
Diabetes is a significant global health concern that increases the vulnerability to various chronic illnesses. In view of this issue, the current research aimed to examine the effects of administering an extract derived from the tubers of Cyperus rotundus L (CrE) on obesity, type 1 diabetes, and liver-kidney toxicity. Through the utilization of HPLC-DAD analysis, it was discovered that the extract contained several components, including quercetin (47.8%), luteolin glucoside (17%), luteolin (7.56%), apigenin-7-glucoside (6...
March 15, 2024: Heliyon
https://read.qxmd.com/read/38485067/dietary-phosphate-educational-materials-for-pediatric-chronic-kidney-disease-are-confused-messages-reducing-their-impact
#25
JOURNAL ARTICLE
Louise McAlister, Vanessa Shaw, Rukshana Shroff
OBJECTIVE: This study aimed to review the quality and content of phosphate educational materials used in pediatric chronic kidney disease. METHODS: The quality of text-based pediatric phosphate educational materials was assessed using validated instruments for health literacy demands (Suitability Assessment of Materials [SAM] and Patient Education Material Assessment Tool [PEMAT-P]) and readability (Flesch Reading Ease [FRE] and Flesch-Kincaid [FK] Grade Level)...
March 12, 2024: Journal of Renal Nutrition
https://read.qxmd.com/read/38484421/biotechnological-polyphosphate-as-an-opportunity-to-contribute-to-the-circularization-of-the-phosphate-economy
#26
REVIEW
Philipp Demling, Makarius Baier, Alexander Deitert, Jana Fees, Lars M Blank
Polyphosphates, chains of polymerized phosphate subunits, are used as food additives for various applications such as conservation, water retention, and pH buffering. Currently, the value chain of phosphates is linear, based on mining fossil phosphate rock, which is anticipated to be depleted in a few hundred years. With no replacement available, a transition to a circular phosphate economy, to which biological systems can contribute, is required. Baker's yeast can hyperaccumulate phosphate from various phosphate-rich waste streams and form polyphosphates, which can be used directly or as polyphosphate-rich yeast extract with enhanced properties in the food industry...
March 13, 2024: Current Opinion in Biotechnology
https://read.qxmd.com/read/38472821/investigating-the-respiratory-and-energy-metabolism-mechanisms-behind-%C3%AE%C2%B5-poly-l-lysine-chitosan-coating-s-improved-preservation-effectiveness-on-tremella-fuciformis
#27
JOURNAL ARTICLE
Junzheng Sun, Yingying Wei, Longxiang Li, Baosha Tang, Yanrong Yang, Zheng Xiao, Junchen Chen, Pufu Lai
Freshly harvested Tremella fuciformis contains high water content with an unprotected outer surface and exhibits high respiration rates, which renders it prone to moisture and nutrient loss, leading to decay during storage. Our research utilized ε-poly-L-lysine (ε-PL) and chitosan as a composite coating preservative on fresh T. fuciformis . The findings revealed that the ε-PL + chitosan composite coating preservative effectively delayed the development of diseases and reduced weight loss during storage compared to the control group...
February 26, 2024: Foods (Basel, Switzerland)
https://read.qxmd.com/read/38463566/disease-spectrum-and-its-molecular-characterisation-in-the-lentil-production-system-of-lower-indo-gangetic-plains
#28
JOURNAL ARTICLE
Huma Nazneen, Raju Das, Arpita Das, Subrata Dutta, Sudip Bhattacharya, Subhas Patar, Subhadeep Roy, Sanjeev Gupta, Shiv Kumar
Lentil is a food legume grown in the Indo-Gangetic plains including lower Gangetic Bengal (LGB). Lentil productivity in this zone is severely impeded because of the prevalence of several biotic cues. Plausible reports regarding the status of disease scenario and the associated risk factors are missing. Therefore, judicious crop management strategies are lacking. An intensive survey of 267 farmers' fields was conducted over 3 years in major lentil-growing districts of LGB to evaluate the disease incidence and prevalence...
2024: Frontiers in Plant Science
https://read.qxmd.com/read/38461637/characterisation-and-agronomic-evaluation-of-acidified-food-waste-anaerobic-digestate-products
#29
JOURNAL ARTICLE
James O'Connor, Bede S Mickan, Emielda Yusiharni, Gurwinder Singh, Sun K Gurung, Kadambot H M Siddique, Matthias Leopold, Nanthi S Bolan
Raw liquid anaerobic digestate was synthesised into nutrient-dense solid digestates via acidification and evaporation. Acidification retained ammonium in the digestate whilst also donating the anion to free ammonium to form an ammonium salt. Digestate was treated with the addition of sulphuric, nitric, and phosphoric acid resulting in the formation of ammonium sulphate, ammonium nitrate and ammonium phosphate, respectively then evaporated into a solid fertiliser product. FTIR, XRD and SEM-EDS collectively confirm that the addition of acids completely converted the free ammonium in the raw digestate into their respective ammonium salt counterparts...
March 9, 2024: Journal of Environmental Management
https://read.qxmd.com/read/38458081/mo-5-n-6-nanosheets-for-fluorescent-quenching-and-target-recognition-highly-selectively-sensing-of-sodium-hexametaphosphate
#30
JOURNAL ARTICLE
Wenying Huang, Yali Wu, Chunqiu Xia, Liangqia Guo
Typical fluorescent biosensors use fluorescently labeled ssDNA for target recognition and nanomaterials for signal transduction. Herein, we propose a reverse sensing strategy that Mo5 N6 nanosheets are used for target recognition while fluorescein (FAM)-labeled ssDNA only serves for signal generation. We discover that Mo5 N6 nanosheets show high fluorescence quenching ability (>95%) and selective recognition for sodium hexametaphosphate (SHMP). After FAM-labeled ssDNA is adsorbed on Mo5 N6 nanosheets, the fluorescence is quenched due to the photoinduced electron transfer (PET) effect between FAM and Mo5 N6 nanosheets...
March 7, 2024: Talanta
https://read.qxmd.com/read/38423145/divergent-responses-of-phosphorus-solubilizing-bacteria-with-p-laden-biochar-for-enhancing-nutrient-recovery-growth-and-yield-of-canola-brassica-napus-l
#31
JOURNAL ARTICLE
Muhammad Farhan Qadir, Muhammad Naveed, Khuram Shehzad Khan, Tooba Mumtaz, Taqi Raza, Waqas Mohy-Ud-Din, Adnan Mustafa
The growing global population has led to a heightened need for food production, and this rise in agricultural activity is closely tied to the application of phosphorus-based fertilizers, which contributes to the depletion of rock phosphate (RP) reserves. Considering the limited P reserves, different approaches were conducted previously for P removal from waste streams, while the adsorption of ions is a novel strategy with more applicability. In this study, a comprehensive method was employed to recover phosphorus from wastewater by utilizing biochar engineered with minerals such as calcium, magnesium, and iron...
February 27, 2024: Chemosphere
https://read.qxmd.com/read/38417515/sedimentary-ancient-dna-reveals-the-impact-of-anthropogenic-land-use-disturbance-and-ecological-shifts-on-fish-community-structure-in-small-lowland-lake
#32
JOURNAL ARTICLE
Georgia Thomson-Laing, Jamie D Howarth, Javier Atalah, Marcus J Vandergoes, Xun Li, John K Pearman, Sean Fitzsimons, Chris Moy, Adelaine Moody, Claire Shepherd, Nicholas McKay, Susanna A Wood
Freshwater fish biodiversity and abundance are decreasing globally. The drivers of decline are primarily anthropogenic; however, the causative links between disturbances and fish community change are complex and challenging to investigate. We used a suite of sedimentary DNA methods (droplet digital PCR and metabarcoding) and traditional paleolimnological approaches, including pollen and trace metal analysis, ITRAX X-ray fluorescence and hyperspectral core scanning to explore changes in fish abundance and drivers over 1390 years in a small lake...
February 26, 2024: Science of the Total Environment
https://read.qxmd.com/read/38417491/simultaneous-determination-of-environmental-endocrine-disruptors-bisphenol-a-and-4-nitrophenol-bleached-from-food-contacting-materials-using-the-spin-ladder-compound-la-2-cu-2-o-5-modified-glassy-carbon-electrode
#33
JOURNAL ARTICLE
Mayil Vealan S B, Sekar Chinnathambi
Environmental endocrine-disrupting chemicals, Bisphenol A (BPA) and 4-Nitrophenol (4-NP), pose significant risks to reproductive health in both animals and humans. Here, we introduce the first utilization of the 4-leg spin ladder compound La2 Cu2 O5 as an electrode material for electrochemical sensor. Nanostructured La2 Cu2 O5 was synthesized via a straightforward Sol-Gel method and thoroughly characterized using X-ray photoelectron spectroscopy, high-resolution transmission electron microscopy, and powder X-ray diffraction...
February 26, 2024: Chemosphere
https://read.qxmd.com/read/38415431/application-of-fucosylation-inhibitors-for-production-of-afucosylated-antibody
#34
JOURNAL ARTICLE
Ping Xu, Yu Chuan Ou, Michael Smith, Jim Paulson, Michael A Schmidt, Lakshmi Kandari, Rodney Parsons, Anurag Khetan
Fucosylation is an important quality attribute for therapeutic antibodies. Afucosylated antibodies exhibit higher therapeutic efficacies than their fucosylated counterparts through antibody-dependent cellular cytotoxicity (ADCC) mechanism. Since higher potency is beneficial in reducing dose or duration of the treatment, afucosylated antibodies have attracted a great deal of interest in biotherapeutics development. In this study, novel small molecules GDP-D-Rhamnose and its derivatives (Ac-GDP-D-Rhamnose and rhamnose sodium phosphate) were synthesized to inhibit the enzyme in the GDP-fucose synthesis pathway...
February 28, 2024: Biotechnology Progress
https://read.qxmd.com/read/38402213/identification-of-lipid-synthesis-genes-in-schizochytrium-sp-and-their-application-in-improving-eicosapentaenoic-acid-synthesis-in-yarrowia-lipolytica
#35
JOURNAL ARTICLE
Yu-Lei Jia, Qing-Ming Zhang, Fei Du, Wen-Qian Yang, Zi-Xu Zhang, Ying-Shuang Xu, Wang Ma, Xiao-Man Sun, He Huang
BACKGROUND: Eicosapentaenoic acid (EPA) is widely used in the functional food and nutraceutical industries due to its important benefits to human health. Oleaginous microorganisms are considered a promising alternative resource for the production of EPA lipids. However, the storage of EPA in triglyceride (TG) becomes a key factor limiting its level. RESULTS: This study aimed to incorporate more EPA into TG storage through metabolic engineering. Firstly, key enzymes for TG synthesis, the diacylglycerol acyltransferase (DGAT) and glycerol-3-phosphate acyltransferase (GPAT) genes from Schizochytrium sp...
February 24, 2024: Biotechnol Biofuels Bioprod
https://read.qxmd.com/read/38399094/biomimetic-use-of-food-waste-sources-of-calcium-carbonate-and-phosphate-for-sustainable-materials-a-review
#36
REVIEW
Sara Piras, Saniya Salathia, Alessandro Guzzini, Andrea Zovi, Stefan Jackson, Aleksei Smirnov, Cristiano Fragassa, Carlo Santulli
Natural and renewable sources of calcium carbonate (CaCO3 ), also referred to as "biogenic" sources, are being increasingly investigated, as they are generated from a number of waste sources, in particular those from the food industry. The first and obvious application of biogenic calcium carbonate is in the production of cement, where CaCO3 represents the raw material for clinker. Overtime, other more added-value applications have been developed in the filling and modification of the properties of polymer composites, or in the development of biomaterials, where it is possible to transform calcium carbonate into calcium phosphate for the substitution of natural hydroxyapatite...
February 9, 2024: Materials
https://read.qxmd.com/read/38395543/influence-of-calcium-concentration-on-the-re-assembly-of-sodium-caseinate-into-casein-micelles-and-on-their-renneting-behavior
#37
JOURNAL ARTICLE
Teng Wang, Yadong Li, Fien De Witte, Ferre Rebry, Hao Li, Pieter Vermeir, Koen Dewettinck, Paul Van der Meeren
Inducing the spontaneous aggregation from casein molecules (i.e. αs1 , αs2 , β, and κ-casein) into re-assembled casein micelles (RCMs) through the addition of salts as an alternative to native casein micelles, has garnered increasing attention in recent years. In this investigation, re-assembled casein micelles were generated by adding varying amounts of calcium, phosphate, and citrate ions to a sodium caseinate dispersion. The formed micelles were further characterized in terms of particle size, optical density, and partitioning of calcium ions and caseins...
March 2024: Food Research International
https://read.qxmd.com/read/38394906/a-self-assembled-3d-nanoflowers-based-nano-elisa-platform-for-the-sensitive-detection-of-pyridaben
#38
JOURNAL ARTICLE
He Chen, Li An, Meng Li, Hao Liu, Zhong Jin, Huan Ma, Jingwei Ma, Juan Zhou, Ran Duan, Di Zhang, Xiu Cao, Tieliang Wang, Xujin Wu
Biomimetic methods are invariably employed to synthesize hybrid organic-inorganic multilevel structure nanoflowers with self-assembly processes in aqueous solutions, which is an ideal way to meet the challenges of immobilizing antibodies or enzymes in nanomaterial based enzyme-linked immunosorbent assay (nano-ELISA). In this study, we developed protein-inorganic hybrid 3D nanoflowers composed of bovine serum albumin (BSA), horseradish peroxidase (HRP)-conjugated goat anti-mouse IgG (IgG-HRP) and copper(Ⅱ) phosphate (BSA-(IgG-HRP)-Cu3 (PO4 )2 ) using a self-assembly biomimetic method...
February 15, 2024: Food Chemistry
https://read.qxmd.com/read/38393695/exogenous-application-of-pectin-triggers-stomatal-closure-and-immunity-in-arabidopsis
#39
JOURNAL ARTICLE
Cheng Zhang, Charles Tetteh, Sheng Luo, Pinyuan Jin, Xingqian Hao, Min Sun, Nan Fang, Yingjun Liu, Huajian Zhang
Pectin has been extensively studied in animal immunity, and exogenous pectin as a food additive can provide protection against inflammatory bowel disease. However, the utility of pectin to improve immunity in plants is still unstudied. Here, we found exogenous application of pectin triggered stomatal closure in Arabidopsis in a dose- and time-dependent manner. Additionally, pectin activated peroxidase and nicotinamide adenine dinucleotide phosphate (NADPH) oxidase to produce reactive oxygen species (ROS), which subsequently increased cytoplasmic Ca2+ concentration ([Ca2+ ]cyt ) and was followed by nitric oxide (NO) production, leading to stomatal closure in an abscisic acid (ABA) and salicylic acid (SA) signalling-dependent mechanism...
February 2024: Molecular Plant Pathology
https://read.qxmd.com/read/38391210/uv-a-radiation-increases-biomass-yield-by-enhancing-energy-flow-and-carbon-assimilation-in-the-edible-cyanobacterium-nostoc-sphaeroides
#40
JOURNAL ARTICLE
Zhen Chen, Zu-Wen Yuan, Wei-Xin Luo, Xun Wu, Jin-Long Pan, Yong-Qi Yin, Hai-Chen Shao, Kui Xu, Wei-Zhi Li, Yuan-Liang Hu, Zhe Wang, Kun-Shan Gao, Xiong-Wen Chen
Ultraviolet (UV) A radiation (315-400 nm) is the predominant component of solar UV radiation that reaches the Earth's surface. However, the underlying mechanisms of the positive effects of UV-A on photosynthetic organisms have not yet been elucidated. In this study, we investigated the effects of UV-A radiation on the growth, photosynthetic ability, and metabolome of the edible cyanobacterium Nostoc sphaeroides . Exposures to 5-15 W m-2 (15-46 µmol photons m-2 s-1 ) UV-A and 4.35 W m-2 (20 μmol photons m-2 s-1 ) visible light for 16 days significantly increased the growth rate and biomass production of N...
February 23, 2024: Applied and Environmental Microbiology
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