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https://www.readbyqxmd.com/read/28087663/evolution-and-structural-diversification-of-nictaba-like-lectin-genes-in-food-crops-with-a-focus-on-soybean-glycine-max
#1
Sofie Van Holle, Pierre Rougé, Els J M Van Damme
BACKGROUND AND AIMS: The Nictaba family groups all proteins that show homology to Nictaba, the tobacco lectin. So far, Nictaba and an Arabidopsis thaliana homologue have been shown to be implicated in the plant stress response. The availability of more than 50 sequenced plant genomes provided the opportunity for a genome-wide identification of Nictaba-like genes in 15 species, representing members of the Fabaceae, Poaceae, Solanaceae, Musaceae, Arecaceae, Malvaceae and Rubiaceae. Additionally, phylogenetic relationships between the different species were explored...
January 12, 2017: Annals of Botany
https://www.readbyqxmd.com/read/28074613/health-benefits-of-methylxanthines-in-neurodegenerative-diseases
#2
REVIEW
Ainhoa Oñatibia-Astibia, Rafael Franco, Eva Martínez-Pinilla
Methylxanthines (MTXs) are consumed by almost everybody in almost every area of the world. Caffeine, theophylline and theobromine are the most well-known members of this family of compounds; they are present, inter alia, in coffee, tea, cacao, yerba mate and cola drinks. MTXs are readily absorbed in the gastrointestinal tract and are able to penetrate into the central nervous system, where they exert significant psychostimulant actions, which are more evident in acute intake. Coffee has been paradigmatic, as its use was forbidden in many diseases, however, this negative view has radically changed; evidence shows that methylxanthines display health benefits in diseases involving cell death in the nervous system...
January 11, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28070286/influence-of-hydrological-pathways-on-dissolved-organic-carbon-fluxes-in-tropical-streams
#3
Eline Nayara Dantas da Costa, Jéssica Carneiro de Souza, Marilane Andrade Pereira, Marcelo Friederichs Landim de Souza, Weber Friederichs Landim de Souza, Daniela Mariano Lopes da Silva
Water flow pathways and water balance are fundamental components for understanding the dynamics of C in the soil/water interface of small basins. The objective of this study was to describe the seasonal variations and estimate the annual balance of dissolved organic carbon (DOC) by comparing two tropical microbasins (preserved forest-PF and cacao plantation-CP). Twenty-one weekly collections were conducted from September to December 2012 and from April to June 2013. The calculation of the partial balance considered precipitation (P) as inflow and the stream as outflow...
January 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28070080/%C3%AE-melt-structure-of-1-3-dipalmitoyl-2-oleoyl-sn-glycerol-pop-under-a-thermal-thawing-process-studied-by-infrared-spectroscopy
#4
Hiroharu Yui, Yuuki Isozaki, Toshinori Morisaku
The temperature thawing, as called tempering, of triacylglycerols (TAGs) is an important processing method in food productions, such as chocolates, cream, confections, and spreads. Especially, melt-mediation by temperature thawing is famous in chocolate production for controlling the polymorphic crystalline forms and accelerating crystallization. In the present study, we investigated the α-melt structure of 1,3-dipalmitoyl-2-oleoyl-sn-glycerol (POP), one of the major continuants of cacao butter, under a phase transition from its melt to γ-crystal with in-situ attenuated total reflection-infrared (ATR-IR) spectroscopy...
2017: Analytical Sciences: the International Journal of the Japan Society for Analytical Chemistry
https://www.readbyqxmd.com/read/28039812/fast-non-aqueous-reversed-phase-liquid-chromatography-separation-of-triacylglycerol-regioisomers-with-isocratic-mobile-phase-application-to-different-oils-and-fats
#5
Arnaud W G Tamba Sompila, Sylvie Héron, Dorra Hmida, Alain Tchapla
The distribution of fatty acid species at the sn-1/3 position or the sn-2 position of triacylglycerols (TAGs) in natural fats and oils affects their physical and nutritional properties. In fats and oils, determining the presence of one or two regioisomers and the identification of structure, where they do have one, as well as their separation, became a problem of fundamental importance to solve. A variety of instrumental technics has been proposed, such as MS, chromatography-MS or pure chromatography. A number of studies deal with the optimization of the separation, but very often, they are expensive in time...
January 15, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28028594/major-phytopathogens-and-strains-from-cocoa-theobroma-cacao-l-are-differentiated-by-maldi-ms-lipid-and-or-peptide-protein-profiles
#6
Fábio Neves Dos Santos, Alessandra Tata, Kátia Roberta Anacleto Belaz, Dilze Maria Argôlo Magalhães, Edna Dora Martins Newman Luz, Marcos Nogueira Eberlin
Phytopathogens are the main disease agents that promote attack of cocoa plantations in all tropical countries. The similarity of the symptoms caused by different phytopathogens makes the reliable identification of the diverse species a challenge. Correct identification is important in the monitoring and management of these pests. Here we show that matrix-assisted laser desorption ionization mass spectrometry (MALDI-MS) in combination with multivariate data analysis is able to rapidly and reliably differentiate cocoa phytopathogens, namely Moniliophthora perniciosa, Phytophthora palmivora, P...
December 27, 2016: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28019052/increased-pollinator-habitat-enhances-cacao-fruit-set-and-predator-conservation
#7
Samantha J Forbes, Tobin D Northfield
The unique benefits of wild pollinators to the productivity of agricultural crops have become increasingly recognized in recent decades. However, declines in populations of wild pollinator species, largely driven by the conversion of natural habitat to agricultural land and broad spectrum pesticide use often lead reductions in the provision of pollination services and crop production. With growing evidence that targeted pollinator conservation improves crop yield and/or quality, particularly for pollination specialist crops, efforts are increasing to substitute agriculturally intensive practices with those that alleviate some of the negative impacts of agriculture on pollinators and the pollination services they provide, in part through the provision of suitable pollinator habitat...
December 26, 2016: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/28011721/genome-analysis-of-hibiscus-syriacus-provides-insights-of-polyploidization-and-indeterminate-flowering-in-woody-plants
#8
Yong-Min Kim, Seungill Kim, Namjin Koo, Ah-Young Shin, Seon-In Yeom, Eunyoung Seo, Seong-Jin Park, Won-Hee Kang, Myung-Shin Kim, Jieun Park, Insu Jang, Pan-Gyu Kim, Iksu Byeon, Min-Seo Kim, JinHyuk Choi, Gunhwan Ko, JiHye Hwang, Tae-Jin Yang, Sang-Bong Choi, Je Min Lee, Ki-Byung Lim, Jungho Lee, Ik-Young Choi, Beom-Seok Park, Suk-Yoon Kwon, Doil Choi, Ryan W Kim
Hibiscus syriacus (L.) (rose of Sharon) is one of the most widespread garden shrubs in the world. We report a draft of the H. syriacus genome comprised of a 1.75 Gb assembly that covers 92% of the genome with only 1.7% (33 Mb) gap sequences. Predicted gene modeling detected 87,603 genes, mostly supported by deep RNA sequencing data. To define gene family distribution among relatives of H. syriacus, orthologous gene sets containing 164,660 genes in 21,472 clusters were identified by OrthoMCL analysis of five plant species, including H...
December 22, 2016: DNA Research: An International Journal for Rapid Publication of Reports on Genes and Genomes
https://www.readbyqxmd.com/read/28004628/a-rare-infectious-cause-of-transverse-myelitis
#9
Gonçalo Cação, Joana Martins, Jose Pedro Rocha Pereira, Ana P Correia, Joana Damásio
No abstract text is available yet for this article.
January 2017: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/28002931/cacao-bean-husk-an-applicable-bedding-material-in-dairy-free-stall-barns
#10
Akira Yajima, Hisashi Ohwada, Suguru Kobayashi, Natsumi Komatsu, Kazuaki Takehara, Maria Ito, Kazuhide Matsuda, Kan Sato, Hisao Itabashi, Satoshi Sugimura, Shuhei Kanda
Objective: The objectives of the study were to assess the effect of cacao bean husk as bedding material in free-stall barn on the behavior, productivity, and udder health of dairy cattle, and on the ammonia concentrations in the barn. Methods: Four different stall surfaces (no bedding, cacao bean husk, sawdust, and chopped wheat straw) were each continuously tested for a period of 1 week to determine their effects on nine lactating Holstein cows housed in the free-stall barn with rubber matting...
December 17, 2016: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/27925861/modeling-heavy-ion-impairment-of-hippocampal-neurogenesis-after-acute-and-fractionated-irradiation
#11
Eliedonna Cacao, Francis A Cucinotta
Radiation-induced impairment of neurogenesis in the hippocampal dentate gyrus is a concern due to its reported association with cognitive detriments after radiotherapy for brain cancers and the possible risks to astronauts chronically exposed to space radiation. Here, we have extended our recent work in a mouse model of impaired neurogenesis after exposure to low-linear energy transfer (LET) radiation to heavy ion irradiation. To our knowledge, this is the first report of a predictive mathematical model of radiation-induced changes to neurogenesis for a variety of radiation types after acute or fractionated irradiation...
December 2016: Radiation Research
https://www.readbyqxmd.com/read/27914320/biochemical-precursor-effects-on-the-fatty-acid-production-in-cell-suspension-cultures-of-theobroma-cacao-l
#12
O Parra, A M Gallego, A Urrea, L F Rojas, C Correa, L Atehortúa
Cocoa butter (CB) is composed of 96% palmitic, stearic, oleic, linoleic and linolenic fatty acids that are responsible for the hardness, texture and fusion properties of chocolate. Through in vitro plant cell culture it is possible to modify CB lipid profiles and to study the fatty acid biosynthesis pathway on a subcellular level, evaluating fundamental aspects to enhance in vitro fatty acid production in a specific and controlled way. In this research, culture media was supplemented with acetate, biotin, pyruvate, bicarbonate and glycerol at three different concentrations and the effects on the biomass production (g/L), cell viability, and fatty acids profile and production was evaluated in in vitro cell suspensions culture...
November 25, 2016: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/27913821/theobromine-upregulates-osteogenesis-by-human-mesenchymal-stem-cells-in-vitro-and-accelerates-bone-development-in-rats
#13
Bret H Clough, Joni Ylostalo, Elizabeth Browder, Eoin P McNeill, Thomas J Bartosh, H Ralph Rawls, Tetsuo Nakamoto, Carl A Gregory
Theobromine (THB) is one of the major xanthine-like alkaloids found in cacao plant and a variety of other foodstuffs such as tea leaves, guarana and cola nuts. Historically, THB and its derivatives have been utilized to treat cardiac and circulatory disorders, drug-induced nephrotoxicity, proteinuria and as an immune-modulator. Our previous work demonstrated that THB has the capacity to improve the formation of hydroxyl-apatite during tooth development, suggesting that it may also enhance skeletal development...
December 2, 2016: Calcified Tissue International
https://www.readbyqxmd.com/read/27871234/a-genome-wide-bac-end-sequence-survey-provides-first-insights-into-sweetpotato-ipomoea-batatas-l-lam-genome-composition
#14
Zengzhi Si, Bing Du, Jinxi Huo, Shaozhen He, Qingchang Liu, Hong Zhai
BACKGROUND: Sweetpotato, Ipomoea batatas (L.) Lam., is an important food crop widely grown in the world. However, little is known about the genome of this species because it is a highly heterozygous hexaploid. Gaining a more in-depth knowledge of sweetpotato genome is therefore necessary and imperative. In this study, the first bacterial artificial chromosome (BAC) library of sweetpotato was constructed. Clones from the BAC library were end-sequenced and analyzed to provide genome-wide information about this species...
November 21, 2016: BMC Genomics
https://www.readbyqxmd.com/read/27833051/theobromine-up-regulates-cerebral-brain-derived-neurotrophic-factor-and-facilitates-motor-learning-in-mice
#15
Mitsugu Yoneda, Naotoshi Sugimoto, Masanori Katakura, Kentaro Matsuzaki, Hayate Tanigami, Akihiro Yachie, Takako Ohno-Shosaku, Osamu Shido
Theobromine, which is a caffeine derivative, is the primary methylxanthine produced by Theobroma cacao. Theobromine works as a phosphodiesterase (PDE) inhibitor to increase intracellular cyclic adenosine monophosphate (cAMP). cAMP activates the cAMP-response element-binding protein (CREB), which is involved in a large variety of brain processes, including the induction of the brain-derived neurotrophic factor (BDNF). BDNF supports cell survival and neuronal functions, including learning and memory. Thus, cAMP/CREB/BDNF pathways play an important role in learning and memory...
January 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/27818491/corrigendum-cacao-polyphenols-ameliorate-autoimmune-myocarditis-in-mice
#16
Hirofumi Zempo, Jun-Ichi Suzuki, Ryo Watanabe, Kouji Wakayama, Hidetoshi Kumagai, Yuichi Ikeda, Hiroshi Akazawa, Issei Komuro, Mitsuaki Isobe
No abstract text is available yet for this article.
November 2016: Hypertension Research: Official Journal of the Japanese Society of Hypertension
https://www.readbyqxmd.com/read/27790069/endophytic-association-of-trichoderma-asperellum-within-theobroma-cacao-suppresses-vascular-streak-dieback-incidence-and-promotes-side-graft-growth
#17
Ade Rosmana, Nasaruddin Nasaruddin, Hendarto Hendarto, Andi Akbar Hakkar, Nursalim Agriansyah
Trichoderma species are able to persist on living sapwood and leaves of cacao (Theobroma cacao) in an endophytic relationship. In this research, we evaluated the ability of Trichodema asperellum introduced at the incision site in the bark for side grafting with the concentration of 4 g/10 mL, 4 g/100 mL, and 4 g/1,000 mL (suspended in water) in suppressing vascular streak dieback (VSD) incidence and promoting growth of side grafts in the field. The incidence of VSD in two local clones of cacao, MCC1 and M04, without application of T...
September 2016: Mycobiology
https://www.readbyqxmd.com/read/27769412/prediction-of-fermentation-index-of-cocoa-beans-theobroma-cacao-l-based-on-color-measurement-and-artificial-neural-networks
#18
Noemí León-Roque, Mohamed Abderrahim, Luis Nuñez-Alejos, Silvia M Arribas, Luis Condezo-Hoyos
Several procedures are currently used to assess fermentation index (FI) of cocoa beans (Theobroma cacao L.) for quality control. However, all of them present several drawbacks. The aim of the present work was to develop and validate a simple image based quantitative procedure, using color measurement and artificial neural network (ANNs). ANN models based on color measurements were tested to predict fermentation index (FI) of fermented cocoa beans. The RGB values were measured from surface and center region of fermented beans in images obtained by camera and desktop scanner...
December 1, 2016: Talanta
https://www.readbyqxmd.com/read/27700988/preparative-separation-of-cacao-bean-procyanidins-by-high-speed-counter-current-chromatography
#19
Lingxi Li, Shuting Zhang, Yan Cui, Yuanyuan Li, Lanxin Luo, Peiyu Zhou, Baoshan Sun
In this work, an efficient method for preparative separation of procyanidins from raw cacao bean extract by high-speed counter-current chromatography (HSCCC) was developed. Under the optimized solvent system of n-hexane-ethyl acetate-water (1:50:50, v/v/v) with a combination of head-tail and tail-head elution modes, various procyanidins fractions with different polymerization degrees were successfully separated. UPLC, QTOF-MS and (1)H NMR analysis verified that these fractions contained monomer up to pentamer respectively...
November 15, 2016: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/27625772/evaluation-of-different-fermentation-processes-for-use-by-small-cocoa-growers-in-mexico
#20
C Hernández-Hernández, Procopio Alejandro López-Andrade, Miguel A Ramírez-Guillermo, Diana Guerra Ramírez, Juan F Caballero Pérez
The aim of this research was to evaluate four different cacao (Theobroma cacao L.) fermentation conditions and their effect on fermented bean quality, in order to be able to recommend the most suitable condition to producers in the municipality of Huimanguillo, Tabasco, Mexico. Fermentations were carried out in square wooden boxes with capacity for 1000, 300, and 100 kg of fresh beans, as well as a rotary drum with capacity for 500 kg thereof. The fermentation process was carried out for 7 days, and the response variables measured were mass temperature, total soluble solids (TSS), pH, and acidity...
September 2016: Food Science & Nutrition
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