Article
Biochemistry & Molecular Biology
Shiqi Zeng, Ruifeng Ying, Xiaoquan Gao, Meigui Huang
Summary: We found significant differences in cell wall components of wheat grains across different grain-filling stages, particularly in terms of water content and water migration rate (p < 0.05). A composite film made of arabinoxylan and starch granules was prepared to simulate the endosperm structure of wheat. Scanning electron microscopy (SEM), X-ray diffractometer (XRD), and thermogravimetric analysis (TGA) showed that the film's crystallinity and structural stability increased with higher starch content. Water diffusion experiments demonstrated that the rate of water diffusion decreased gradually with increasing starch content, indicating that the water mobility of the starch endosperm was lower than that of the aleurone layer. These findings provide a foundation for further research on water regulation in wheat grains.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2023)
Article
Food Science & Technology
Jiaqing Yang, Peiyao Liu, Liping Ran, Gang Chen, Xurun Yu, Fei Xiong
Summary: Starch accumulation in wheat endosperm varies spatially, with lower starch content in the outer endosperm compared to the inner endosperm. Nitrogen treatment led to a decrease in total starch and an increase in amylose content in the inner and outer endosperms. Starch granules found in the inner endosperm were larger and had fewer C-type granules, but nitrogen treatment increased C-type granules in the inner endosperm. Additionally, nitrogen treatment resulted in a decrease in short chains and an increase in middle and long chains in both the inner and outer endosperms, along with an increase in crystal area, especially the single helix, in the inner endosperm.
JOURNAL OF CEREAL SCIENCE
(2023)
Article
Biochemistry & Molecular Biology
Jiahui Zhuo, Ke Wang, Ning Wang, Caihong Xing, Da Peng, Xinyu Wang, Ge Qu, Caiyun Kang, Xingguo Ye, Yaxuan Li, Yueming Yan, Xiaohui Li
Summary: The relationship between accumulated starch granules and starch metabolism-related genes in wheat pericarp was studied in this research. Starch synthesis in the pericarp requires a sucrose uptake and conversion system similar to that in the endosperm. The TaPTST2 gene is essential for the production of pericarp starch granules. Pericarp starch granules gradually disappear during the filling stage, accompanied by high expression levels of genes encoding beta-amylase, sucrose-phosphate synthase, and sucrose-phosphate phosphatase. The pericarp functions as a temporary reservoir for excess nutrients during early development stage and contributes to the development and starch accumulation in the endosperm and embryo, potentially affecting the weight of the wheat caryopsis.
Article
Agronomy
Bingyan Liu, Lingli Li, Chao Fu, Yingjun Zhang, Bin Bai, Jiuyuan Du, Jianqi Zeng, Yingjie Bian, Siyang Liu, Jie Song, Xumei Luo, Lina Xie, Mengjing Sun, Xiaowan Xu, Xianchun Xia, Shuanghe Cao
Summary: We identified stable QTL for grain morphology and yield component traits in a wheat defective grain filling line and validated genetic effects in a panel of cultivars using breeding-relevant markers. This is important for wheat improvement.
THEORETICAL AND APPLIED GENETICS
(2023)
Article
Biochemistry & Molecular Biology
Chengdeng Chi, Yongjin He, Xuehua Xiao, Bilian Chen, Youcai Zhou, Xiaoyan Tan, Zhili Ji, Yiping Zhang, Pingying Liu
Summary: Novel resources of very small granular starch are of great interests to food scientists. This study isolated and characterized the starch from Chlorella sp. MBFJNU-17 and compared it with quinoa starch. The results showed that Chlorella sp. MBFJNU-17 is a novel resource of very small granular starch with desirable properties.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2023)
Article
Biotechnology & Applied Microbiology
Shichen Han, Ge Qu, Xiaohui Li, Feixiong Zhang
Summary: In this study, a method for extracting protoplasts from wheat endosperm and pericarp tissues was successfully developed, and transcription factors TaABI5 and amyloplast protein TaSSIIIa were successfully transcribed and localized in the protoplasts using genetic transformation. This is of great importance for further investigating the functions and regulations of genes related to endosperm development and differentiation in plants.
PLANT CELL TISSUE AND ORGAN CULTURE
(2023)
Article
Plant Sciences
Lara Esch, Qi Yang Ngai, J. Elaine Barclay, Rose McNelly, Sadiye Hayta, Mark A. A. Smedley, Alison M. M. Smith, David Seung
Summary: The understanding of starch granule morphology in plants is still lacking. A durum wheat mutant with giant plastids, caused by defective PARC6, showed an increase in A- and B-type granules in the endosperm amyloplasts. The mutant had abnormal lobed surface in A-type granules, but it did not affect plant growth and grain size, number, and starch content. Interestingly, mutation of the PARC6 paralog, ARC6, did not have the same effect. The study reveals the importance of amyloplast structure in starch granule morphogenesis in wheat.
Article
Chemistry, Applied
Haiteng Li, Robert G. Gilbert, Michael J. Gidley
Summary: This study investigated the evolution of molecular size and chain length distributions of granular wheat starches under in vitro fermentation and digestion conditions, revealing distinct structural changes between high-amylose starch (HAS) and wild-type starch. These changes were found to be dependent on the different starch-degrading enzyme activities present in pancreatic vs. microbial systems, providing valuable insights into microbial utilization of resistant starch.
Article
Plant Sciences
Erica Hawkins, Jiawen Chen, Alexander Watson-Lazowski, Jennifer Ahn-Jarvis, J. Elaine Barclay, Brendan Fahy, Matthew Hartley, Frederick J. Warren, David Seung
Summary: The role of SS4 in wheat grain development was investigated through TILLING mutants, which showed severe alterations in starch granule morphology. SS4 deficiency results in compound granule formation, similar to mutants deficient in BGC1. Both SS4 and BGC1 are required for proper control of granule initiation during early grain development, leading to the formation of a single A-type granule per amyloplast.
Article
Plant Sciences
Jiawen Chen, Alexander Watson-Lazowski, Nitin Uttam Kamble, Martin Vickers, David Seung
Summary: This study generated a high-quality transcriptomics dataset to study endosperm development in the Kronos variety. It revealed key processes such as starch metabolism and provided valuable insights into this important crop species.
Article
Chemistry, Applied
Xinya Wang, Siyuan Liu, Yongfeng Ai
Summary: This study aimed to understand the gelation mechanisms of starches with different molecular structures. The results showed that granular starches exhibited strong gelling ability due to the presence of swollen starch granules and amylose molecules acting as glue. In contrast, non-granular starch HA7, mainly composed of linear amylose, could form a firm and rigid gel through the re association and alignment of amylose chains. This study provided fundamental knowledge for using starch as a gelling agent to achieve desirable textural attributes of foods and other industrial products.
FOOD HYDROCOLLOIDS
(2022)
Article
Chemistry, Applied
Xiaoxue Lu, Rongrong Ma, Jinling Zhan, Chang Liu, Yaoqi Tian
Summary: Wheat protein hydrolysates (WPH) with different degrees of hydrolysis were prepared and mixed with rice starch. WPH, especially WPH30, reduced the rate of starch digestion and increased the content of slowly digestible starch due to the entanglement of starch chains and long-chain peptides. WPH60 and WPH120, containing more hydrophobic peptides and polar amino acids than WPH30, formed hydrogen bonds with starch molecules, resulting in the formation of a dense aggregate structure and increased resistant starch content. These findings are important for the development of hypoglycemic reformulated food.
Article
Plant Sciences
Tina B. Schreier, Brendan Fahy, Laure C. David, Hamad Siddiqui, Roger Castells-Graells, Alison M. Smith
Summary: Expressing a bacterial glucan synthase in wheat grains led to the accumulation of high levels of maltose, causing swelling during development and shrivelling upon maturity. Cytosolic glucan synthesized was hydrolyzed immediately to maltose, attracting excess water and stretching the seed coat before shrinking during grain maturation.
Article
Plant Sciences
Julia Compart, Xiaoping Li, Joerg Fettke
Summary: Starch is a natural storage carbohydrate in plants and algae, consisting of amylopectin and amylose. Despite increasing knowledge, there are still significant gaps in understanding the structure and turnover of starch, especially in relation to biosynthesis, degradation, and its potential for industrial applications.
JOURNAL OF PLANT PHYSIOLOGY
(2021)
Article
Chemistry, Applied
Travest J. Woodbury, Erica Grush, Matthew C. Allan, Lisa J. Mauer
Summary: The study indicates that replacing added sugars in baked goods with different types and concentrations of sugars and sugar alcohols significantly affects the pasting behavior and granule swelling of starch, showing that different sweeteners have varying effects on the thermal properties of starch.
FOOD HYDROCOLLOIDS
(2022)
Article
Food Science & Technology
Joseph Gayin, Eric Bertoft, John Manful, Rickey Y. Yada, El-Sayed M. Abdel-Aal
Article
Chemistry, Applied
R. Raghunathan, R. Hoover, R. Waduge, Q. Liu, T. D. Warkentin
Article
Food Science & Technology
Bruno Ricardo de Castro Leite Junior, Alline Artigiani Lima Tribst, Nicholas J. Grant, Rickey Y. Yada, Marcelo Cristianini
FOOD RESEARCH INTERNATIONAL
(2017)
Article
Food Science & Technology
John H. Dupuis, Rong Tsao, Rickey Y. Yada, Qiang Liu
LWT-FOOD SCIENCE AND TECHNOLOGY
(2017)
Article
Multidisciplinary Sciences
Brian C. Bryksa, Rickey Y. Yada
SCIENTIFIC REPORTS
(2017)
Article
Agriculture, Multidisciplinary
Adnan Amjad, Muhammad Atif Randhawa, Masood Sadiq Butt, Muhammad Asghar, Rickey Y. Yada, Reena Pinhero
PAKISTAN JOURNAL OF AGRICULTURAL SCIENCES
(2017)
Article
Ethics
Alison Kretser, Delia Murphy, Stefano Bertuzzi, Todd Abraham, David B. Allison, Kathryn J. Boor, Johanna Dwyer, Andrea Grantham, Linda J. Harris, Rachelle Hollander, Chavonda Jacobs-Young, Sarah Rovito, Dorothea Vafiadis, Catherine Woteki, Jessica Wyndham, Rickey Yada
SCIENCE AND ENGINEERING ETHICS
(2019)
Article
Multidisciplinary Sciences
John H. Dupuis, Shenlin Wang, Chen Song, Rickey Y. Yada
Article
Food Science & Technology
Lennie Cheung, Rickey Yada
Summary: The article provides an overview of studies using compounds to inhibit coronavirus infection and replication, and discusses the implications of these studies for future antiviral and bioactive food research.
CURRENT OPINION IN FOOD SCIENCE
(2022)
Article
Agronomy
Andressa Alves Clemente, Gabriel Mascarenhas Maciel, Ana Carolina Silva Siquieroli, Rodrigo Bezerra de Araujo Gallis, Jose Magno Queiroz Luz, Fernando Cesar Sala, Lucas Medeiros Pereira, Rickey Yoshio Yada
Summary: This study evaluated different vegetation indices for estimating anthocyanin, chlorophyll, and carotenoids in mini-lettuce genotypes. The results showed that the green leaf index was able to accurately predict the content of leaf pigments in red and green mini-lettuce. This high-performance phenotyping technique can be used in breeding programs and for monitoring biofortification levels in lettuce.
Article
Chemistry, Organic
Mohammed Salha, Henry Adenusi, John H. H. Dupuis, Enrico Bodo, Bruno Botta, Iain McKenzie, Rickey Y. Y. Yada, David H. H. Farrar, Jakob Magolan, Kun V. V. Tian, Gregory A. A. Chass
Summary: Cannabinoids are natural compounds with potential therapeutic effects for chronic illnesses. This study investigated the influence of the 3D structure on the activity and stability of cannabigerol (CBG) and its analogues. The results revealed the structural and dynamic interactions of the CBG family, which contribute to their activity and stability. This approach provides insights into the QSARs of bioactive molecules and guides the design and synthesis of related compounds.
ORGANIC & BIOMOLECULAR CHEMISTRY
(2023)
Meeting Abstract
Chemistry, Applied
Derek R. Dee, Lida Rahimi Araghi, Rickey Yada
JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY
(2020)
Article
Nutrition & Dietetics
Aviva I. Rappaport, Kyly C. Whitfield, Gwen E. Chapman, Rickey Y. Yada, Khin Meng Kheang, Jennie Louise, Alastair J. Summerlee, Gavin R. Armstrong, Timothy J. Green
AMERICAN JOURNAL OF CLINICAL NUTRITION
(2017)
Article
Biochemistry & Molecular Biology
Brian C. Bryksa, Douglas A. Grahame, Rickey Y. Yada
BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES
(2017)
Article
Chemistry, Applied
Renuka Nilmini Waduge, Thomas D. Warkentin, Elizabeth Donner, Rong Cao, D. Dan Ramdath, Qiang Liu
