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https://www.readbyqxmd.com/read/28821734/transcriptional-transitions-in-alphonso-mango-mangifera-indica-l-during-fruit-development-and-ripening-explain-its-distinct-aroma-and-shelf-life-characteristics
#1
Ashish B Deshpande, Krishanpal Anamika, Vineet Jha, Hemangi G Chidley, Pranjali S Oak, Narendra Y Kadoo, Keshav H Pujari, Ashok P Giri, Vidya S Gupta
Alphonso is known as the "King of mangos" due to its unique flavor, attractive color, low fiber pulp and long shelf life. We analyzed the transcriptome of Alphonso mango through Illumina sequencing from seven stages of fruit development and ripening as well as flower. Total transcriptome data from these stages ranged between 65 and 143 Mb. Importantly, 20,755 unique transcripts were annotated and 4,611 were assigned enzyme commission numbers, which encoded 142 biological pathways. These included ethylene and flavor related secondary metabolite biosynthesis pathways, as well as those involved in metabolism of starch, sucrose, amino acids and fatty acids...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28819222/identification-and-functional-characterization-of-tomato-circrnas-derived-from-genes-involved-in-fruit-pigment-accumulation
#2
Jinjuan Tan, Zhongjing Zhou, Yujie Niu, Xiaoyong Sun, Zhiping Deng
CircRNAs, a class of widespread circular RNAs produced from precursor mRNA back-splicing, have been implicated in regulation of gene expression in eukaryotes, but their biological functions in plants have not yet been elucidated. By deep sequencing of rRNA-removed and RNase R-digested RNA samples we have identified several thousands of putative back-splicing sites in tomato fruit (Solanum lycopersicum) and show that the abundance of some of these circRNAs derived from fruit pigment biosynthesis genes are regulated by fruit ripening...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28817929/oxidized-polymeric-phenolics-could-they-be-considered-photoprotectors
#3
Laura Rustioni
Photooxidative sunburn is the consequence of photosystem overexcitations. It results in tissue color changes due to chlorophyll degradation and accumulation of oxidized polymeric phenolics (OPPs) resulting from scavenging of reactive oxygen species (ROS). From a productive point of view, OPPs should be considered as damages, decreasing the economical and esthetical values of plants and crops. However, from a physiological perspective, OPPs could be also play a screening role against excessive photosynthetically active radiation (PAR), as they follow the criteria proposed for the identification of photoprotectors, as follows: i) Due to the complex conjugated double bond systems, OPPs absorb and, thus, screen the visible photosynthetically active radiation; ii) The accumulation of brown OPPs is well-known to be stimulated by light exposure resulting in sunburn symptoms; iii) OPPs induce PAR resistance: for example, the sunburned brown skin allows the fruit ripening to proceed without further interferences; iv) the screen provided by the accumulated OPPs in death cells protect underlying tissues, demonstrating an increased resistance to radiation when other physiological processes are not functioning...
August 18, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28817278/unveiling-the-aggregation-of-lycopene-in-vitro-and-in-vivo-uv-vis-resonance-raman-and-raman-imaging-studies
#4
Mika Ishigaki, Phiranuphon Meksiarun, Yasutaka Kitahama, Leilei Zhang, Hideki Hashimoto, Takuma Genkawa, Yukihiro Ozaki
The present study investigates the structure of lycopene aggregates both in vitro and in vivo using ultraviolet-visible (UV-vis) and Raman spectroscopies. The electronic absorption bands of the J- and H-aggregates in vitro shift to lower and higher energies, respectively, compared to that of the lycopene monomer. Along with these results, the frequencies of the ν1 Raman bands were shifted to lower and higher frequencies, respectively. By plotting the frequencies of the ν1 Raman band against the S0 → S2 transition energy, a linear relationship between the data set with different aggregation conformations can be obtained...
August 17, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28817100/modulatory-effects-of-exogenously-applied-polyamines-on-postharvest-physiology-antioxidant-system-and-shelf-life-of-fruits-a-review
#5
REVIEW
Sunil Sharma, Sunil Pareek, Narashans Alok Sagar, Daniel Valero, Maria Serrano
Polyamines (PAs) are natural compounds involved in many growth and developmental processes in plants, and, specifically in fruits, play a vital role regulating its development, ripening and senescence processes. Putrescine (PUT), spermine (SPE), and spermidine (SPD) are prominent PAs applied exogenously to extend shelf life of fruits. They also originate endogenously during developmental phases of horticultural crops and simultaneously affect the quality attributes and shelf life. Their anti-ethylene nature is being exploited to enhance the shelf life when exogenously applied on fruits...
August 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28816401/study-of-organic-acids-in-schisandrae-chinensis-fructus-after-vinegar-processing
#6
Fangzhou Yin, Hui Dai, Lin Li, Tuling Lu, Weidong Li, Baochang Cai, Wu Yin
The ripened fruit of Schisandrae Chinensis Fructus has unique medical properties in Chinese medicine. It is commonly used after vinegar steaming. Vinegar steaming changes the color of Schisandrae Chinensis Fructus from red to black and enhances its acidic and astringent properties. Lignans are the well-investigated components in this herb. However, Schisandrae Chinensis Fructus is acidic in the theory of Chinese medicine, and whether vinegar processing changes its organic acid components remains largely unknown...
August 17, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28811761/incidence-rates-of-major-diseases-of-kiwiberry-in-2015-and-2016
#7
Gyoung Hee Kim, Deok Ryong Kim, Sook-Young Park, Young Sun Lee, Jae Sung Jung, Young Jin Koh
Incidence rates of diseases in kiwiberry orchards were investigated monthly from late June to late September in Gwangyang and Boseong in 2015 and 2016. The impact of postharvest fruit rot was investigated during ripening after harvest. Bacterial canker was only observed on one single tree in 2015, but black rot, powdery mildew, leaf spot and blight, and postharvest fruit rot diseases were problematic throughout the study period in both 2015 and 2016. Incidence rates of the diseases varied with kiwiberry cultivar, region and sampling time...
August 2017: Plant Pathology Journal
https://www.readbyqxmd.com/read/28801625/the-tomato-histone-deacetylase-slhda1-contributes-to-the-repression-of-fruit-ripening-and-carotenoid-accumulation
#8
Jun-E Guo, Zongli Hu, Mingku Zhu, Fenfen Li, Zhiguo Zhu, Yu Lu, Guoping Chen
Histone deacetylation is one of the well characterized post-translational modifications related to transcriptional repression in eukaryotes. The process of histone deacetylation is achieved by histone deacetylases (HDACs). Over the last decade, substantial advances in our understanding of the mechanism of fruit ripening have been achieved, but the role of HDACs in this process has not been elucidated. In our study, an RNA interference (RNAi) expression vector targeting SlHDA1 was constructed and transformed into tomato plants...
August 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28798762/functional-characterization-of-slsahh2-in-tomato-fruit-ripening
#9
Lu Yang, Guojian Hu, Ning Li, Sidra Habib, Wei Huang, Zhengguo Li
S-adenosylhomocysteine hydrolase (SAHH) functions as an enzyme catalyzing the reversible hydrolysis of S-adenosylhomocysteine to homocysteine and adenosine. In the present work we have investigated its role in the ripening process of tomato fruit. Among the three SlSAHH genes we demonstrated that SlSAHH2 was highly accumulated during fruit ripening and strongly responded to ethylene treatment. Over-expression of SlSAHH2 enhanced SAHH enzymatic activity in tomato fruit development and ripening stages and resulted in a major phenotypic change of reduced ripening time from anthesis to breaker...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28798491/phytochromobilin-deficiency-impairs-sugar-metabolism-through-the-regulation-of-cytokinin-and-auxin-signaling-in-tomato-fruits
#10
Ricardo Ernesto Bianchetti, Aline Bertinatto Cruz, Bruna Soares Oliveira, Diego Demarco, Eduardo Purgatto, Lázaro Eustáquio Pereira Peres, Magdalena Rossi, Luciano Freschi
Phytochomes and plant hormones have been emerging as important regulators of fleshy fruit biology and quality traits; however, the relevance of phytochrome-hormonal signaling crosstalk in controlling fruit development and metabolism remains elusive. Here, we show that the deficiency in phytochrome chromophore phytochromobilin (PΦB) biosynthesis inhibits sugar accumulation in tomato (Solanum lycopersicum) fruits by transcriptionally downregulating sink- and starch biosynthesis-related enzymes, such as cell-wall invertases, sucrose transporters and ADP-glucose pyrophosphorylases...
August 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28771559/effects-of-chlorogenic-acid-on-capacity-of-free-radicals-scavenging-and-proteomic-changes-in-postharvest-fruit-of-nectarine
#11
Yu Xi, Wenxiao Jiao, Jiankang Cao, Weibo Jiang
To study how chlorogenic acid affects changes of reactive oxygen species (ROS) and the proteins involved in ROS scavenging of nectarine during storage time, the fruits were treated with chlorogenic acid (CHA) then stored at 25°C for further studies. The CHA-treatment significantly reduced O2-· production rate, H2O2 content, and membrane permeability of nectarine fruit during storage. The key proteins related the nectarine fruit senescence during storage were identified by two-dimensional electrophoresis and MALDI-TOF/TOF...
2017: PloS One
https://www.readbyqxmd.com/read/28769956/rosaceae-fruit-development-ripening-and-post-harvest-an-epigenetic-perspective
#12
REVIEW
Silvia Farinati, Angela Rasori, Serena Varotto, Claudio Bonghi
Rosaceae is a family with an extraordinary spectrum of fruit types, including fleshy peach, apple, and strawberry that provide unique contributions to a healthy diet for consumers, and represent an excellent model for studying fruit patterning and development. In recent years, many efforts have been made to unravel regulatory mechanism underlying the hormonal, transcriptomic, proteomic and metabolomic changes occurring during Rosaceae fruit development. More recently, several studies on fleshy (tomato) and dry (Arabidopsis) fruit model have contributed to a better understanding of epigenetic mechanisms underlying important heritable crop traits, such as ripening and stress response...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28767242/ethylene-control-technologies-in-extending-postharvest-shelf-life-of-climacteric-fruit
#13
Junhua Zhang, Dong Cheng, Baobin Wang, Iqbal Khan, Yonghao Ni
Fresh fruit is important for a healthy diet. However, because of their seasonal production, regional specific cultivation, and perishable nature, it is essential to develop preservation technologies to extend the postharvest shelf life of fresh fruits. Climacteric fruit adopt spoilage because of ethylene, a key hormone associated with the ripening process. Therefore, controlling ethylene activity by following safe and effective approaches is a key to extend the postharvest shelf life of fruit. In this review, ethylene control technologies will be discussed aiming for the need of developing more innovative and effective approaches...
August 18, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28757545/the-agpase-family-proteins-in-banana-genome-wide-identification-phylogeny-and-expression-analyses-reveal-their-involvement-in-the-development-ripening-and-abiotic-biotic-stress-responses
#14
Hongxia Miao, Peiguang Sun, Qing Liu, Juhua Liu, Biyu Xu, Zhiqiang Jin
ADP-glucose pyrophosphorylase (AGPase) is the first rate-limiting enzyme in starch biosynthesis and plays crucial roles in multiple biological processes. Despite its importance, AGPase is poorly studied in starchy fruit crop banana (Musa acuminata L.). In this study, eight MaAGPase genes have been identified genome-wide in M. acuminata, which could be clustered into the large (APL) and small (APS) subunits. Comprehensive transcriptomic analysis revealed temporal and spatial expression variations of MaAPLs and MaAPSs and their differential responses to abiotic/biotic stresses in two banana genotypes, Fen Jiao (FJ) and BaXi Jiao (BX)...
July 25, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28756671/tocopherols-tocomonoenols-and-tocotrienols-in-oils-of-costa-rican-palm-fruits-a-comparison-between-six-varieties-and-chemical-vs-mechanical-extraction
#15
Andrea Irías-Mata, Wolfgang Stuetz, Nadine Sus, Simon Hammann, Katrin Gralla, Aracelly Cordero-Solano, Walter Vetter, Jan Frank
Palm oil is one of the richest sources of tocotrienols and may contain other non-tocopherol vitamin E congeners. The vitamin E profiles of fully ripened fruit mesocarp of three Elaeis Guineensis, two Elaeis Oleifera and one Hybrid OxG palm fruit genotypes from Costa Rica were analyzed by HPLC-FD and GC-MS after mechanical extraction by screw press and chemical extraction with hexane. γ-Tocotrienol and α-tocopherol were the most abundant tocochromanols, while other tocopherols (β-, γ-,δ-T) and α-tocomonoenol were detected at minor concentrations...
July 30, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28755236/date-fruit-proteomics-during-development-and-ripening-stages
#16
Claudius Marondedze
Gel-based comparative proteomics approach is a valuable technique for studying the changes in abundance of proteins in any given system. The combination of this technique with mass spectrometry has provided immense insight into protein dynamics during fruit development and ripening. This chapter describes, informatively, the procedures for carrying out comparative proteomics analysis of date palm (Phoenix dactylifera L.) fruits at different developmental stages using a combination of two-dimensional gel electrophoresis (2-DE) and mass spectrometry...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28746554/phenological-characterization-and-temperature-requirements-of-annona-squamosa-l-in-the-brazilian-semiarid-region
#17
Débora S Mendes, Marlon C T Pereira, Silvia Nietsche, Joseilton F Silva, Josiele S Rocha, Athos H Mendes, Helisson R A Xavier, Rayane C Dos Santos
The phenological growth stages of various species of monocotyledonous and dicotyledonous plants can be uniformly coded using the Biologische Bundesanstalt, Bundessortenamt, und Chemische Industrie (BBCH) scale. The aim of the present study was to determine the duration of different phenological stages and the temperature requirements of the sugar-apple, Annona squamosa, during two crop cycles in the semiarid region of Brazil. Phenological stages were divided into eight of ten possible principal stages: (0) bud development, (1) leaf development, (3) shoot/branch development, (5) inflorescence emergence, (6) flowering, (7) fruit development, (8) fruit maturity and (9) senescence and the beginning of dormancy...
July 20, 2017: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/28743906/transient-regulation-of-three-clustered-tomato-class-i-small-heat-shock-chaperone-genes-by-ethylene-is-mediated-by-slmads-rin-transcription-factor
#18
Vijaya Shukla, Rakesh K Upadhyay, Mark L Tucker, James J Giovannoni, Sairam V Rudrabhatla, Autar K Mattoo
Clustered class-I small heat-shock protein (sHSP) chaperone genes, SlHSP17.6, SlHSP20.0 and SlHSP20.1, in tomato are demonstrated to be transcriptionally regulated by ethylene during mature green (MG) fruit transition into ripening. These genes are constitutively expressed at MG fruit stage in two different tomato genotypes as well as in their ripening mutants, including rin, nor and Nr, and an ethylene-deficient transgenic line, ACS2-antisense. Notably, ethylene treatment of the MG fruit led to significant sHSP gene suppression in both wild-types, ACS2-antisense, nor/nor and Nr/Nr, but not the rin/rin mutant...
July 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28742088/genome-wide-identification-of-hami-melon-mirnas-with-putative-roles-during-fruit-development
#19
Hong Zhang, Lan Yin, Huaisong Wang, Guangzhi Wang, Xinli Ma, Meihua Li, Haibo Wu, Qiushi Fu, Yi Zhang, Hongping Yi
MicroRNAs represent a family of small endogenous, non-coding RNAs that play critical regulatory roles in plant growth, development, and environmental stress responses. Hami melon is famous for its attractive flavor and excellent nutritional value, however, the mechanisms underlying the fruit development and ripening remains largely unknown. Here, we performed small RNA sequencing to investigate the roles of miRNAs during Hami melon fruit development. Two batches of flesh samples were collected at four fruit development stages...
2017: PloS One
https://www.readbyqxmd.com/read/28740499/multi-omics-and-integrated-network-analyses-reveal-new-insights-into-the-systems-relationships-between-metabolites-structural-genes-and-transcriptional-regulators-in-developing-grape-berries-vitis-vinifera-l-exposed-to-water-deficit
#20
Stefania Savoi, Darren C J Wong, Asfaw Degu, Jose C Herrera, Barbara Bucchetti, Enrico Peterlunger, Aaron Fait, Fulvio Mattivi, Simone D Castellarin
Grapes are one of the major fruit crops and they are cultivated in many dry environments. This study comprehensively characterizes the metabolic response of grape berries exposed to water deficit at different developmental stages. Increases of proline, branched-chain amino acids, phenylpropanoids, anthocyanins, and free volatile organic compounds have been previously observed in grape berries exposed to water deficit. Integrating RNA-sequencing analysis of the transcriptome with large-scale analysis of central and specialized metabolites, we reveal that these increases occur via a coordinated regulation of key structural pathway genes...
2017: Frontiers in Plant Science
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