keyword
https://read.qxmd.com/read/36770962/self-emulsifying-micellization-of-crude-extracts-from-apple-malus-domestica-cv-anna-plum-prunus-domestica-cv-satsuma-and-guava-psidium-guajava-l-fruits
#21
JOURNAL ARTICLE
Laura A Calvo-Castro, Andrea Irías-Mata, Daronne Cano-Contreras, Elizabeth Arnáez-Serrano, Randall Chacón-Cerdas, Ricardo Starbird-Pérez, Johan Morales-Sánchez, Carolina Centeno-Cerdas
Micellar microemulsions are thermodynamically stable self-emulsifying systems that have been used to successfully improve the low oral bioavailability of several bioactive phytochemicals, such as antioxidant polyphenols. However, most studies have reported the micellization of single-compounds or purified chemical fractions; thus, the stability, phytochemical-loading efficiency, and bioactivity of complex crude extracts remain largely unexplored. In this study, we evaluated the effects of micellar emulsification of tropical apple ( Malus domestica cv...
January 29, 2023: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://read.qxmd.com/read/36761227/comprehensive-studies-of-biological-characteristics-phytochemical-profiling-and-antioxidant-activities-of-two-local-citrus-varieties-in-china
#22
JOURNAL ARTICLE
Lifang Sun, Jianguo Xu, Nasrullah, Luoyun Wang, Zhenpeng Nie, Xiu Huang, Jianhua Sun, Fuzhi Ke
Citrus is widely grown all over the world, and citrus fruits have long been recognized for their nutritional and medical value for human health. However, some local citrus varieties with potentially important value are still elusive. In the current study, we elucidated the biological characteristics, phylogenetic and phytochemical profiling, antioxidants and antioxidant activities of the two local citrus varieties, namely Zangju and Tuju. The physiological and phylogenetic analysis showed that Zangju fruit has the characteristics of wrinkled skin, higher acidity, and phylogenetically closest to sour mandarin Citrus sunki , whereas, Tuju is a kind of red orange with vermilion peel, small fruit and high sugar content, and closely clustered with Citrus erythrosa ...
2023: Frontiers in Nutrition
https://read.qxmd.com/read/36707984/relationship-between-satsuma-mandarin-yield-and-meteorological-factors-in-shizuoka-and-distribution-of-alternative-flowering-indices-in-mikkabi-production-area-japan
#23
JOURNAL ARTICLE
Ittetsu Yamaga, Yuto Unno
BACKGROUND: Biennial bearing, the biggest factor destabilizing citrus fruit production, is primarily attributed to unfavorable weather changes. However, the relationship between the yield of Satsuma mandarin for more than 50 years and the weather remains poorly understood. Therefore, this study investigated the effect of meteorological factors, such as average temperature, precipitation, and sunshine duration, on the yield of Satsuma mandarin in Shizuoka prefecture, Japan. We analyzed fruit production statistics and meteorological observation data from 1961 to 2018...
January 27, 2023: Journal of the Science of Food and Agriculture
https://read.qxmd.com/read/36549824/integrated-transcriptomic-metabolomic-analysis-reveals-that-cinnamaldehyde-exposure-positively-regulates-the-phenylpropanoid-pathway-in-postharvest-satsuma-mandarin-citrus-unshiu
#24
JOURNAL ARTICLE
Bin Duan, Xiaoli Tan, Jianyuan Long, Qiuli Ouyang, Yonghua Zhang, Nengguo Tao
Previously, wax + cinnamaldehyde (WCA) was proven to be able to effectively alleviate fruit decay and induce resistance in harvested Satsuma mandarin (Citrus unshiu). However, the potential molecular mechanism is largely unknown. In the present study, transcriptomics, metabolomics and biochemical analyses were combined to clarify this process. Transcriptomic analysis revealed that the expression of genes involved in secondary metabolites and related to pathogenesis and the phenylpropanoid pathway were significantly influenced by WCA treatment...
January 2023: Pesticide Biochemistry and Physiology
https://read.qxmd.com/read/36045357/evolution-gene-expression-and-protein%C3%A2-protein-interaction-analyses-identify-candidate-cbl-cipk-signalling-networks-implicated-in-stress-responses-to-cold-and-bacterial-infection-in-citrus
#25
JOURNAL ARTICLE
Cui Xiao, Hu Zhang, Fan Xie, Zhi-Yong Pan, Wen-Ming Qiu, Zhu Tong, Ze-Qiong Wang, Xiu-Juan He, Yu-Hai Xu, Zhong-Hai Sun
BACKGROUND: Cold is a major abiotic stress and Huanglongbing and citrus canker disease are two devastating bacterial diseases for citrus. The Ca2+ -CBL-CIPK network is known to regulate different types of stress signalling in plants. How do CBL-CIPK signalling networks function in response to cold and infection by CLas or Xcc in citrus? RESULTS: Eight calcineurin B-like proteins (CBLs) and seventeen CBL-interacting protein kinases (CIPKs) were identified from the cold-tolerant satsuma mandarin 'Guijing2501' (Citrus...
September 1, 2022: BMC Plant Biology
https://read.qxmd.com/read/35923875/soluble-solids-content-binary-classification-of-miyagawa-satsuma-in-chongming-island-based-on-near-infrared-spectroscopy
#26
JOURNAL ARTICLE
Yuzhen Chen, Wanxia Sun, Songtao Jiu, Lei Wang, Bohan Deng, Zili Chen, Fei Jiang, Menghan Hu, Caixi Zhang
Citrus is one of the most important fruits in China. Miyagawa Satsuma, one kind of citrus, is a nutritious agricultural product with regional characteristics of Chongming Island. Near-infrared Spectroscopy (NIR) is a proper method for studying the quality of fruits, because it is low-cost, efficient, non-destructive, and repeatable. Therefore, the NIR technique is used to detect citrus's soluble solid content (SSC) in this study. After obtaining the original spectral data, the first 70% of them are divided into the training set and 30% into the test set...
2022: Frontiers in Plant Science
https://read.qxmd.com/read/35913594/complete-gammaproteobacterial-endosymbiont-genome-assembly-from-a-seep-tubeworm-lamellibrachia-satsuma
#27
JOURNAL ARTICLE
Ajit Kumar Patra, Yong Min Kwon, Youngik Yang
Siboglinid tubeworms thrive in hydrothermal vent and seep habitats via a symbiotic relationship with chemosynthetic bacteria. Difficulties in culturing tubeworms and their symbionts in a laboratory setting have hindered the study of host-microbe interactions. Therefore, released symbiont genomes are fragmented, thereby limiting the data available on the genome that affect subsequent analyses. Here, we present a complete genome of gammaproteobacterial endosymbiont from the tubeworm Lamellibrachia satsuma collected from a seep in Kagoshima Bay, assembled using a hybrid approach that combines sequences generated from the Illumina and Oxford Nano-pore platforms...
September 2022: Journal of Microbiology / the Microbiological Society of Korea
https://read.qxmd.com/read/35909736/examining-the-role-of-low-temperature-in-satsuma-mandarin-fruit-peel-degreening-via-comparative-physiological-and-transcriptomic-analysis
#28
JOURNAL ARTICLE
Oscar W Mitalo, William O Asiche, Seung W Kang, Hiroshi Ezura, Takashi Akagi, Yasutaka Kubo, Koichiro Ushijima
Peel degreening is the most conspicuous aspect of fruit ripening in many citrus fruits because of its importance for marketability. In this study, peel degreening in response to propylene (an ethylene analog) and at varying storage temperatures was characterized in Satsuma mandarin ( Citrus unshiu Marc.) fruit. Propylene treatment triggered rapid peel degreening (within 4-6 days), indicated by an increase in the citrus color index (CCI) and chlorophyll loss. Peel degreening was also observed in fruit at 10°C and 15°C after 28-42 days, with gradual CCI increase and chlorophyll reduction...
2022: Frontiers in Plant Science
https://read.qxmd.com/read/35890435/the-anatomical-differences-and-physiological-responses-of-sunburned-satsuma-mandarin-citrus-unshiu-marc-fruits
#29
JOURNAL ARTICLE
Misun Kim, Yosup Park, Seok Kyu Yun, Sang Suk Kim, Jaeho Joa, Young-Eel Moon, Gyung-Ran Do
Sunburn causes fruit browning and other physiological symptoms, reducing fruit production and quality. Therefore, we aimed to investigate the anatomical differences and abiotic stress responses in 'Nichinan 1 gou' satsuma mandarin ( Citrus unshiu Marc.) according to the severity of sunburn damage (five grades: control, no sunburn; I to IV, increasing severity of sunburn). Additionally, the quality of sunburned and non-sunburned fruits was compared, and the sunburn-inducing temperature was estimated. Anatomical observations confirmed that with increased severity of symptoms, the damage to fruit rind surface and oil glands was increased...
July 7, 2022: Plants (Basel, Switzerland)
https://read.qxmd.com/read/35836415/essential-oils-from-citrus-unshiu-marc-effectively-kill-aeromonas-hydrophila-by-destroying-cell-membrane-integrity-influencing-cell-potential-and-leaking-intracellular-substances
#30
JOURNAL ARTICLE
Weiming Zhong, Kangyong Chen, Linlin Yang, Tao Tang, Sifan Jiang, Jiajing Guo, Zhipeng Gao
Aeromonas hydrophila is one of the important pathogenic bacteria in aquaculture causing serious losses every year. Essential oils are usually used as natural antimicrobial agents to reduce or replace the use of antibiotics. The aim of this study was to evaluate the antibacterial activity and explore the mechanisms of essential oil from satsuma mandarin ( Citrus unshiu Marc.) (SMEO) against A. hydrophila . The results of the gas chromatography-mass spectrometer demonstrated that SMEO contains 79 chemical components with the highest proportion of limonene (70...
2022: Frontiers in Microbiology
https://read.qxmd.com/read/35797404/structures-of-oxygen-dissociation-intermediates-of-400-kda-v2-hemoglobin-provide-coarse-snapshots-of-the-protein-allostery
#31
JOURNAL ARTICLE
Nobutaka Numoto, Seiko Onoda, Yoshiaki Kawano, Hideo Okumura, Seiki Baba, Yoshihiro Fukumori, Kunio Miki, Nobutoshi Ito
Ever since the historic discovery of the cooperative oxygenation of its multiple subunits, hemoglobin (Hb) has been among the most exhaustively studied allosteric proteins. However, the lack of structural information on the intermediates between oxygenated and deoxygenated forms prevents our detailed understanding of the molecular mechanism of its allostery. It has been difficult to prepare crystals of intact oxy-deoxy intermediates and to individually identify the oxygen saturation for each subunit. However, our recent crystallographic studies have demonstrated that giant Hbs from annelids are suitable for overcoming these problems and can provide abundant information on oxy-deoxy intermediate structures...
2022: Biophysics and Physicobiology
https://read.qxmd.com/read/35744870/extraction-of-pectin-from-satsuma-mandarin-peel-a-comparison-of-high-hydrostatic-pressure-and-conventional-extractions-in-different-acids
#32
JOURNAL ARTICLE
Xingke Duan, Yu Zhu, Congying Shu, Jihui Gao, Fengxia Liu, Siyi Pan
Satsuma mandarin peel pectin was extracted by high hydrostatic pressure-assisted citric acid (HHPCP) or hydrochloric acid (HHPHP), and the physiochemical, structural, rheological and emulsifying characteristics were compared to those from conventional citric acid (CCP) and hydrochloric acid (CHP). Results showed that HHP and citric acid could both increase the pectin yield, and HHPCP had the highest yield (18.99%). Structural characterization, including NMR and FTIR, demonstrated that HHPHP showed higher Mw than the other pectins...
June 10, 2022: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://read.qxmd.com/read/35674404/low-and-high-storage-temperature-inhibited-the-coloration-of-mandarin-fruit-citrus-unshiu-marc-with-different-mechanism
#33
JOURNAL ARTICLE
Xiaoxiao Ge, Tingting Cao, Lanhua Yi, Shixiang Yao, Kaifang Zeng, Lili Deng
BACKGROUND: Peel color regulated by pigment metabolism is one of the most crucial indicators affecting the commodity values of citrus fruit. Storage temperature is a vital environmental factor that regulates the fruit pigmentation. RESULTS: Results showed that the peel coloring process was significantly inhibited when mandarin fruit were stored at 5 and 32 °C with normal coloring at 25 °C as the control. However, the inhibitive mechanisms of 5 and 32 °C storage were different...
June 8, 2022: Journal of the Science of Food and Agriculture
https://read.qxmd.com/read/35631762/the-citrus-mutant-jedae-unshiu-induced-by-gamma-irradiation-exhibits-a-unique-fruit-shape-and-increased-flavonoid-content
#34
JOURNAL ARTICLE
Chang-Ho Eun, In-Jung Kim
Satsuma mandarin ( Citrus unshiu Marc. cv. Miyagawa-wase) is the most widely cultivated citrus variety in Korea. Although most varieties are imported from Japan, efforts have focused on developing new domestic varieties. We produced mutants by irradiating C. unshiu Marc. cv. Miyagawa-wase scions with gamma rays and grafting them onto C. unshiu Marc. cv. Miyagawa-wase branches. We compared the characteristics of these mutants with Miyagawa-wase fruit as a control. A mutant line named Jedae-unshiu with a unique fruit shape was selected for investigation in detail...
May 18, 2022: Plants (Basel, Switzerland)
https://read.qxmd.com/read/35484814/the-spatial-distribution-and-migration-of-three-typical-fungicides-in-postharvest-satsuma-mandarin-citrus-unshiu-marc-fruit
#35
JOURNAL ARTICLE
Yajie Yang, Linchun Mao, Yingjie Zhu, Jingxuan Yu, Zisheng Luo, Xingyu Lin
Fungicides are often used to extend the storage time of postharvest satsuma mandarin fruit. In recent years, fungicide residue has become an issue of food safety. This study aimed to investigate the distribution and migration of three typical fungicides (imazalil, prochloraz, thiophanate-methyl) in postharvest satsuma mandarins using liquid chromatography-tandem mass spectrometry (LC-MS/MS). Three fungicides could quickly penetrate satsuma mandarins and their gradient concentrations of residues in the fruit were: carpopodium > mesocarp > epicarp > pulp...
April 28, 2022: Food Science and Technology International
https://read.qxmd.com/read/35381869/mir171-modulates-induction-of-somatic-embryogenesis-in-citrus-callus
#36
JOURNAL ARTICLE
Qiao-Fang Shi, Jian-Mei Long, Zhao-Ping Yin, Nan Jiang, Meng-Qi Feng, Bo Zheng, Wen-Wu Guo, Xiao-Meng Wu
Overexpression of miR171 restored SE competence in the recalcitrant citrus callus, and inhibition of miR171 function weakened SE competence in the strongly embryogenic citrus callus. Somatic embryogenesis (SE) is an important way of in vitro regeneration for plants. For perennial woody crops such as citrus, embryogenic callus is usually induced from unfertilized aborted ovules and widely used in biotechnology aided breeding. However, SE capacity always declines in callus during subculture, which makes regeneration difficult and hinders the application of biotechnology...
June 2022: Plant Cell Reports
https://read.qxmd.com/read/35042886/high-throughput-identification-of-genes-influencing-the-competitive-ability-to-obtain-nutrients-and-performance-of-biocontrol-in-pseudomonas-putida-jbc17
#37
JOURNAL ARTICLE
Swarnalee Dutta, Yong Hoon Lee
Elucidating underlying mechanisms of biocontrol agents (BCAs) could aid in selecting potent BCAs and increasing their biocontrol efficacy. Nutrient competition is an important biocontrol mechanism; however, essential nutrient sources, and contributing genes for nutrient competition still remain to be explored. Pseudomonas putida JBC17 (JBC17WT) suppressed green mold in satsuma mandarins by inhibiting conidial germination of Penicillium digitatum via nutrient competition. To analyze genes essential for biocontrol performance of JBC17WT, we generated a transposon (Tn)-mediated mutant library and selected mutants with the ability to suppress conidial germination...
January 18, 2022: Scientific Reports
https://read.qxmd.com/read/35009047/physiological-and-ultrastructural-alterations-linked-to-intrinsic-mastication-inferiority-of-segment-membranes-in-satsuma-mandarin-citrus-unshiu-marc-fruits
#38
JOURNAL ARTICLE
Xuefei Lian, Feifei Li, Yuanyuan Chang, Tie Zhou, Yuewen Chen, Tao Yin, Yunsong Li, Li Ye, Yan Jin, Xiaopeng Lu
Chewing texture is important for fresh citrus fruits, and the mastication trait of a segment directly determines chewing texture. Roughing disorder impairs the quality of Satsuma mandarin fruits, and it is typically correlated with intrinsic mastication inferiority (IMI). This study explored the role of segment membranes (SMs) in IMI. Similar to IMI in roughing-disordered fruits, segment shear force significantly enhanced relative to controls (CK); cell layers and cell wall thickness increased also in inferior masticating SMs...
December 23, 2021: Plants (Basel, Switzerland)
https://read.qxmd.com/read/35000332/complications-of-posterior-fusion-for-atlantoaxial-instability-in-children-with-down-syndrome
#39
JOURNAL ARTICLE
Yoshiki Takeoka, Kenichiro Kakutani, Hiroshi Miyamoto, Teppei Suzuki, Takashi Yurube, Izumi Komoto, Masao Ryu, Shinichi Satsuma, Koki Uno
OBJECTIVE: To clarify the complications of posterior fusion for atlantoaxial instability (AAI) in children with Down syndrome and to discuss the significance of surgical intervention. METHODS: Twenty pediatric patients with Down syndrome underwent posterior fusion for AAI between February 2000 and September 2018 (age, 6.1 ± 1.9 years). C1-2 or C1-3 fusion and occipitocervical fusion were performed in 14 and 6 patients, respectively. The past medical history, operation time, estimated blood loss (EBL), duration of Halo vest immobilization, postoperative follow-up period, and intra- and perioperative complications were examined...
December 2021: Neurospine
https://read.qxmd.com/read/34964635/characterization-of-a-caffeic-acid-8-o-methyltransferase-from-citrus-and-its-function-in-nobiletin-biosynthesis
#40
JOURNAL ARTICLE
Gang Ma, Lancui Zhang, Mao Seoka, Akari Nakata, Masaki Yahata, Takehiko Shimada, Hiroshi Fujii, Tomoko Endo, Terutaka Yoshioka, Toshiyuki Kan, Masaya Kato
Nobiletin (3',4',5,6,7,8-hexamethoxyflavone) is a polymethoxylated flavonoid specifically accumulated in citrus fruit with numerous beneficial effects to human health. In this study, a novel O -methyltransferase ( CitOMT2 ) was isolated from three citrus varieties, Ponkan mandarin ( Citrus reticulata Blanco), Nou 6 ("King mandarin" × "Mukaku-kishu"), and Satsuma mandarin ( Citrus unshiu Marc.), and its functions were characterized in vitro. The gene expression results showed that CitOMT2 was highly expressed in the two nobiletin abundant varieties of Ponkan mandarin and Nou 6...
January 19, 2022: Journal of Agricultural and Food Chemistry
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