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1. Comprehensive identification and hydrophobic analysis of key proteins affecting foam capacity and stability during the evolution of egg white foam

Author:
Haobo Jin; Yongguo Jin; Jiajing Pan; Sijie Mi; Qi Zeng; Zhe Li; Qi Wang; Yi Sun; Long Sheng
Source:
Food hydrocolloids 2023 v.134 pp. 108033
ISSN:
0268-005X
Subject:
amino acids,   etc   ; egg albumen; foams; hydrocolloids; hydrophobicity; liquid-air interface; lysozyme; ovalbumin; ovomucin; prediction; proteomics;     Show all 11 Subjects
Abstract:
... Each protein in a multiprotein system assumed a different role at the colloidal interface. To determine exactly which proteins played a key role in the evolution of egg white foam, label-free quantitative proteomics techniques were employed to detect key proteins associated with egg white foam properties. There were 35 (14 up-regulated and 21 down-regulated) and 25 (13 up-regulated and 12 down-reg ...
DOI:
10.1016/j.foodhyd.2022.108033

2. Comparison of biochemical composition, nutritional quality, and metals concentrations between males and females of three different Crassostrea sp.

Author:
Yanping Qin; Ru Li; Qingliang Liao; Gongpengyang Shi; Yinyin Zhou; Weitao Wan; Jun Li; Haitao Ma; Yuehuan Zhang; Ziniu Yu
Source:
Food chemistry 2023 v.398 pp. 133868
ISSN:
0308-8146
Subject:
essential amino acids,   etc   ; Crassostrea; energy; females; food chemistry; functional foods; gametogenesis; glycogen; lipids; meiosis; nutritive value; taurine;     Show all 12 Subjects
Abstract:
... Gametogenesis can significantly affect the biochemical composition of oysters, but little research on the difference between sexes. Therefore, we conducted the first in-depth study on the composition differences between males and females of three different Crassostrea sp.. The results showed that females had higher glycogen, lipid, Cu and Zn contents than males, while males had higher protein and ...
DOI:
10.1016/j.foodchem.2022.133868

3. Myosin head as the main off-odors binding region: Key binding residues and conformational changes in the binding process

Author:
Chao Xue; Juan You; Shanbai Xiong; Tao Yin; Wenyi Du; Qilin Huang
Source:
Food chemistry 2023 v.403 pp. 134437
ISSN:
0308-8146
Subject:
amino acids,   etc   ; cold storage; energy; food chemistry; hydrogen; hydrophobicity; molecular conformation; molecular dynamics; myosin; octenol; off odors;     Show all 11 Subjects
Abstract:
... This study aims to elucidate the dynamic binding characteristics between off-odors (hexanal, 1-octen-3-ol, nonanal) and myosin at cold storage (277 K) and oral temperatures (310 K) through spatial–temporal molecular dynamics (MD) simulation. Conformational analysis indicated that binding with off-odors could not significantly change the myosin secondary structure, and the myosin/(off-odors) struct ...
DOI:
10.1016/j.foodchem.2022.134437

4. High temperature induced stable gelatin-gardenia blue system with hyperchromic effect and its food application in 2D writing/printing and 3D printing

Author:
Hongxia Wang; Yang Cheng; Juncheng Zhu; Zhiying Ouyang; Mi Tang; Liang Ma; Yuhao Zhang
Source:
Food chemistry 2023 v.401 pp. 134119
ISSN:
0308-8146
Subject:
amino acids,   etc   ; Gardenia; absorbance; crosslinking; food chemistry; food industry; gelatin; nanomaterials; particle size; temperature; thermal stability; ultraviolet radiation;     Show all 12 Subjects
Abstract:
... Gardenia blue could be effectively stabilized by gelatin and could be further enhanced by high-temperature based covalent-crosslinking reaction. The crosslinking reaction between amino acids and genipin promotes the generation of new gardenia blue molecules, facilitates the stable network structure, and improves the thermal stability of gelatin-gardenia blue systems (T₁ increased to 90 °C and T₂ i ...
DOI:
10.1016/j.foodchem.2022.134119

5. Effect of carbohydrate levels under autumn defoliation on cold tolerance during the subsequent flowering season in pear

Author:
Kwang-Sik Lee; Suhyun Ryu; Jae Hoon Jeong; Jung Gun Cho; Seul Ki Lee; Jeom Hwa Han
Source:
Scientia horticulturae 2023 v.307 pp. 111530
ISSN:
0304-4238
Subject:
free amino acids,   etc   ; autumn; cold tolerance; defoliation; fruits; glutamic acid; pears; sorbitol; spring; starch; total soluble solids; tree growth;     Show all 12 Subjects
Abstract:
... Freezing injury to the flowers of deciduous fruit trees is being increasingly emphasized in the context of global warming due to low temperatures in spring. The annual accumulation of nutrients is affected by reserves in the organs during tree growth. In this study, changes in the total carbohydrate (TC), total starch (TS), and soluble solid (SS) content of shoots and changes in cold tolerance and ...
DOI:
10.1016/j.scienta.2022.111530

6. Effects of different drying temperatures on the profile and sources of flavor in semi-dried golden pompano (Trachinotus ovatus)

Author:
Dan Qiu; Rubi Duan; Yueqi Wang; Yanfu He; Chuan Li; Xuanri Shen; Yongcheng Li
Source:
Food chemistry 2023 v.401 pp. 134112
ISSN:
0308-8146
Subject:
free amino acids,   etc   ; Maillard reaction; Trachinotus ovatus; acetoin; aldehydes; dried fish; food chemistry; lipid peroxidation; odors; protein degradation; sweetness; taste; temperature; umami;     Show all 14 Subjects
Abstract:
... Drying is an important process that can impart a different flavor to dried fish. The differences and sources of flavor of semi-dried golden pompano at different drying temperatures (40, 48, and 56 °C) were investigated, and the sensory quality, flavor substances, nonenzymatic reactions, and protein degradation were analyzed. Significant flavor differences were observed among different drying tempe ...
DOI:
10.1016/j.foodchem.2022.134112

7. Comprehensive UHPLC- and CE-based methods for engineered Cas9 characterization

Author:
Julien Camperi; Gary Console; Laura Zheng; Nicole Stephens; Mary Montti; Brian Roper; Minhua Zheng; Maryam Moshref; Yavuz Dagdas; Patrick Holder; Cinzia Stella
Source:
Talanta 2023 v.252 pp. 123780
ISSN:
0039-9140
Subject:
amino acids,   etc   ; CRISPR-Cas systems; DNA damage; Streptococcus pyogenes; automation; capillary electrophoresis; gene editing; peptides; ribonucleoproteins; sulfates; therapeutics; ultra-performance liquid chromatography;     Show all 12 Subjects
Abstract:
... CRISPR (clustered regularly interspaced short palindromic repeats)-associated proteins (Cas) are powerful gene-editing tools used in therapeutic applications. Efforts to minimize off-target cleavage by CRISPR-Cas9 have motivated the development of engineered Cas9 variants. The wild-type (WT) Streptococcus pyogenes (SpCas9) has been engineered into a high-fidelity Cas9 (SpyFi Cas9) that shows promi ...
DOI:
10.1016/j.talanta.2022.123780

8. In-vitro digestibility, protein digestibility corrected amino acid, and sensory properties of banana-cassava gluten-free pasta with soy protein isolate and egg white protein addition

Author:
Adetiya Rachman; Margaret A. Brennan; James Morton; Damir Torrico; Charles S. Brennan
Source:
Food science and human wellness 2023 v.12 no.2 pp. 520-527
ISSN:
2213-4530
Subject:
amino acids,   etc   ; amino acid composition; antioxidant activity; digestible carbohydrates; digestible protein; egg albumen; flour; humans; in vitro digestibility; pasta; protein content; soy protein isolate;     Show all 12 Subjects
Abstract:
... Soy protein isolate and egg white protein were added to cassava-banana gluten-free pasta and the effects on the nutritional quality, digestibility properties, protein digestibility corrected amino acid (PDCAA), and sensory acceptance of the pasta was observed. Banana-cassava composite flour (75:25) was blended with soy protein isolate or egg white protein at the following rates: 0, 5, 10, and 15 g ...
DOI:
10.1016/j.fshw.2022.07.054

9. Multi-omics revealed the formation mechanism of flavor in salted egg yolk induced by the stages of lipid oxidation during salting

Author:
Xuyue Wang; Xiaole Xiang; Shuaishuai Wei; Shugang Li
Source:
Food chemistry 2023 v.398 pp. 133794
ISSN:
0308-8146
Subject:
amino acids,   etc   ; acetophenones; egg yolk; elaidic acid; flavor; food chemistry; linoleic acid; lipid peroxidation; metabolites; multiomics; oxidation; pentose phosphate cycle; structural equation modeling; taste; tryptamine;     Show all 15 Subjects
Abstract:
... To explore the contribution of different lipid oxidation stages to flavor formation in salted egg yolk, potential pathways of flavor formation were characterized by multi-omics strategy and partial least squares structural equation model (PLS-SEM). 72 lipids, 135 metabolites and 5 volatiles related to lipid oxidation were screened out. The degradation of aldehydes and ketones, and the generation o ...
DOI:
10.1016/j.foodchem.2022.133794

10. Variability in fecal metabolome depending on age, PFBS pollutant, and fecal transplantation in zebrafish: A non-invasive diagnosis of health

Author:
Baili Sun; Mengyuan Liu; Lizhu Tang; Xiangzhen Zhou; Chenyan Hu; Lianguo Chen
Source:
Journal of environmental sciences (China) 2023 v.127 pp. 530-540
ISSN:
1001-0742
Subject:
amino acids,   etc   ; Danio rerio; absorption; adults; carbohydrates; digestion; early diagnosis; feces; intestinal microorganisms; lipids; metabolites; metabolome; metabolomics; neurotransmitters; pollutants; prediction; steroid hormones; synaptic transmission; therapeutics; toxicity; toxicology; China;     Show all 22 Subjects
Abstract:
... To protect the wellbeing of research animals, certain non-invasive measures are in increasing need to facilitate an early diagnosis of health and toxicity. In this study, feces specimen was collected from adult zebrafish to profile the metabolome fingerprint. Variability in fecal metabolite composition was also distinguished as a result of aging, perfluorobutanesulfonate (PFBS) toxicant, and fecal ...
DOI:
10.1016/j.jes.2022.06.019

11. Improving the catalytic efficiency of Pseudomonas aeruginosa lipoxygenase by semi-rational design

Author:
Cuiping Pang; Song Liu; Guoqiang Zhang; Jingwen Zhou; Guocheng Du; Jianghua Li
Source:
Enzyme and microbial technology 2023 v.162 pp. 110120
ISSN:
0141-0229
Subject:
amino acids,   etc   ; Pseudomonas aeruginosa; catalytic activity; decolorization; fatty acids; half life; hydroperoxides; industrial applications; lipoxygenases; medicine; molecular dynamics; mutants; mutation; peroxidation; structure-activity relationships; van der Waals forces;     Show all 16 Subjects
Abstract:
... Lipoxygenase (LOX) catalyzes the peroxidation of unsaturated fatty acids to produce hydroperoxides, which had been widely used in food, medicine and chemical industries due to its decoloration of food and conversion of renewable oils. Thus, higher catalytic activity and stability is desired for low-cost and expanded industrial applications of LOX. To improve the catalytic activity of LOX, a mutant ...
DOI:
10.1016/j.enzmictec.2022.110120

12. Structural, functional, and physicochemical characterization of fermented whey protein concentrates recovered from various fermented-distilled whey

Author:
Munkh-Amgalan Gantumur; Narantuya Sukhbaatar; Ruijie Shi; Jialun Hu; Akhunzada Bilawal; Abdul Qayum; Bo Tian; Zhanmei Jiang; Juncai Hou
Source:
Food hydrocolloids 2023 v.135 pp. 108130
ISSN:
0268-005X
Subject:
amino acids,   etc   ; alcoholic fermentation; cheesemaking; cost effectiveness; gel chromatography; hydrocolloids; hydrophobicity; milk; particle size; polyacrylamide gel electrophoresis; protein synthesis; solubility; value added; whey; whey protein concentrate; zeta potential;     Show all 16 Subjects
Abstract:
... The utilization of whey has become a challenge with the significant growth in the production of cheese and coagulated milk products. Consequently, we have developed cost-effective and waste-free production technologies for processing whey disposal into a variety of high-quality, value-added food products at the industrial level. This work constitutes a research on the impact of various alcoholic f ...
DOI:
10.1016/j.foodhyd.2022.108130

13. Tissue distribution of appetite regulation genes and their expression in the Amazon fish Colossoma macropomum exposed to climate change scenario

Author:
Talita Laurie Lustosa do Carmo; Mayara Cristina Moraes de Lima; José Luiz de Vasconcelos Lima; Samara Silva de Souza; Adalberto Luis Val
Source:
Science of the total environment 2023 v.854 pp. 158729
ISSN:
0048-9697
Subject:
amino acids,   etc   ; Colossoma macropomum; Cypriniformes; Salmoniformes; acidification; appetite; aquaculture; body length; brain; carbon dioxide; cholecystokinin; climate; climate change; environment; farmed fish; fish communities; food intake; gene expression; kidneys; metabolism; neuropeptide Y; temperature; tissue distribution; weight gain;     Show all 24 Subjects
Abstract:
... Climate change leads to an increase in water acidification and temperature, two environmental factors that can change fish appetite and metabolism, affecting fish population in both wild and aquaculture facilities. Therefore, our study tested if climate change affects gene expression levels of two appetite-regulating peptides – Neuropeptide Y (NPY) and Cholecystokinin (CCK) – in the brain of tamba ...
DOI:
10.1016/j.scitotenv.2022.158729

14. Carbon dots promoted soybean photosynthesis and amino acid biosynthesis under drought stress: Reactive oxygen species scavenging and nitrogen metabolism

Author:
Yahui Ji; Le Yue; Xuesong Cao; Feiran Chen; Jing Li; Jiangshan Zhang; Chuanxi Wang; Zhenyu Wang; Baoshan Xing
Source:
Science of the total environment 2023 v.856 pp. 159125
ISSN:
0048-9697
Subject:
amino acids,   etc   ; Acidobacteria; Actinobacteria; Ascomycota; Glomeromycota; biosynthesis; carbohydrates; carbon; climate change; drought tolerance; environment; foliar application; food security; human health; nitrogen; nitrogen content; nitrogen metabolism; photosynthesis; protein content; reactive oxygen species; secretion; soil; soybeans; water shortages; water stress; water uptake;     Show all 26 Subjects
Abstract:
... With global warming and water scarcity, improving the drought tolerance and quality of crops is critical for food security and human health. Here, foliar application of carbon dots (CDs, 5 mg·L⁻¹) could scavenge reactive oxygen species accumulation in soybean leaves under drought stress, thereby enhancing photosynthesis and carbohydrate transport. Moreover, CDs stimulated root secretion (e.g., ami ...
DOI:
10.1016/j.scitotenv.2022.159125

15. Hot air‐assisted instant controlled pressure drop drying impact on the Maillard reaction‐related physicochemical properties of apple slices

Author:
Xuan Li; Kun Gao; Jinfeng Bi; Xinye Wu; Jian Lyu; Chongting Guo
Source:
Journal of food processing and preservation 2022 v.46 no.4 pp. e16398
ISSN:
0145-8892
Subject:
amino acids; free amino acids,   etc   ; air; apples; fluorescence; fructose; glucose; hydroxymethylfurfural; multivariate analysis;     Show all 9 Subjects
Abstract:
... This research investigated the instant controlled pressure drop‐assisted hot air drying (DIC) impact on Maillard reaction‐related components of apple slices, with freeze drying (FD) and hot air drying (AD) as control. DIC apple slices were significantly (*p < .05) differentiated from FD and AD apple slices by marked browning, high levels of 5‐hydroxymethylfurfural (5‐HMF), and fluorescence interme ...
DOI:
10.1111/jfpp.16398

16. Palladium-catalyzed native α-amino acid derivative-directed arylation/oxidation of benzylic C–H bonds: synthesis of 5-aryl-1,4-benzodiazepin-2-ones

Author:
Fengxuan Jiang; Menghua Xu; Wenfeng Bei; Kai Cheng; Lehao Huang
Source:
Chemical communications 2022 v.58 no.69 pp. 9638-9641
ISSN:
1364-548X
Subject:
amino acids,   etc   ; arylation; oxidation;     Show all 3 Subjects
Abstract:
... A Pd-catalyzed, native α-amino acid derivative-directed benzylic C–H bond arylation/oxidation with aryl iodides was developed. The natural amino acid auxiliary could serve as a desired building block for formation of 5-aryl-1,4-benzodiazepin-2-ones after removal of the trifluoroacetyl protecting group. The bifunctional reaction probably proceeded through a sequential benzylic arylation/oxidation p ...
DOI:
10.1039/d2cc03266j

17. Copper-catalyzed asymmetric propargylic substitution with salicylaldehyde-derived imine esters

Author:
Ruo-Qing Wang; Chong Shen; Xiang Cheng; Xiu-Qin Dong; Chun-Jiang Wang
Source:
Chemical communications 2022 v.58 no.61 pp. 8552-8555
ISSN:
1364-548X
Subject:
amino acids,   etc   ; hydrogen bonding; imines;     Show all 3 Subjects
Abstract:
... Copper-catalyzed asymmetric propargylic substitution with salicylaldehyde-derived imine esters and propargylic carbonates has been successfully realized, generating a wide range of chiral amino acid derivatives containing propargylic groups with excellent results (up to 95% yield and 94% ee). The ortho-hydroxy group of the salicylaldehyde-derived imine esters is crucial to increase the reactivity ...
DOI:
10.1039/d2cc01695h

18. Diastereoselective palladium-catalyzed C(sp³)–H cyanomethylation of amino acid and carboxylic acid derivatives

Author:
Sumit Garai; Krishna Gopal Ghosh; Ashik Biswas; Sushobhan Chowdhury; Devarajulu Sureshkumar
Source:
Chemical communications 2022 v.58 no.56 pp. 7793-7796
ISSN:
1364-548X
Subject:
amino acids,   etc   ; carboxylic acids; diastereoselectivity;     Show all 3 Subjects
Abstract:
... In this study, we report an efficient protocol for Pd-catalyzed methylene β-C(sp³)–H cyanomethylation of 8-aminoquinoline-directed α-amino acids using inexpensive chloroacetonitrile. Iodoacetonitrile generated in situ from chloroacetonitrile reacts with methylene C(sp³)–H bonds of α-amino acids with excellent diastereoselectivity, enabling access to a wide range of important γ-cyano-α-amino acids. ...
DOI:
10.1039/d2cc03106j

19. Current status of PTMs structural databases: applications, limitations and prospects

Author:
Alexandre G. de Brevern; Joseph Rebehmed
Source:
Amino acids 2022 v.54 no.4 pp. 575-590
ISSN:
0939-4451
Subject:
amino acids,   etc   ; computer simulation; humans;     Show all 3 Subjects
Abstract:
... Protein 3D structures, determined by their amino acid sequences, are the support of major crucial biological functions. Post-translational modifications (PTMs) play an essential role in regulating these functions by altering the physicochemical properties of proteins. By virtue of their importance, several PTM databases have been developed and released in decades, but very few of these databases i ...
DOI:
10.1007/s00726-021-03119-z

20. Uncovering Non-random Binary Patterns Within Sequences of Intrinsically Disordered Proteins

Author:
Megan C. Cohan; Min Kyung Shinn; Jared M. Lalmansingh; Rohit V. Pappu
Source:
Journal of molecular biology 2022 v.434 no.2 pp. 167373
ISSN:
0022-2836
Subject:
amino acids,   etc   ; models; molecular biology;     Show all 3 Subjects
Abstract:
... Sequence-ensemble relationships of intrinsically disordered proteins (IDPs) are governed by binary patterns such as the linear clustering or mixing of specific residues or residue types with respect to one another. To enable the discovery of potentially important, shared patterns across sequence families, we describe a computational method referred to as NARDINI for Non-random Arrangement of Resid ...
DOI:
10.1016/j.jmb.2021.167373