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https://www.readbyqxmd.com/read/28727747/plant-species-dispersed-by-galapagos-tortoises-surf-the-wave-of-habitat-suitability-under-anthropogenic-climate-change
#1
Diego Ellis-Soto, Stephen Blake, Alaaeldin Soultan, Anne Guézou, Fredy Cabrera, Stefan Lötters
Native biodiversity on the Galapagos Archipelago is severely threatened by invasive alien species. On Santa Cruz Island, the abundance of introduced plant species is low in the arid lowlands of the Galapagos National Park, but increases with elevation into unprotected humid highlands. Two common alien plant species, guava (Psidium guajava) and passion fruit (Passiflora edulis) occur at higher elevations yet their seeds are dispersed into the lowlands by migrating Galapagos tortoises (Chelonoidis spp.). Tortoises transport large quantities of seeds over long distances into environments in which they have little or no chance of germination and survival under current climate conditions...
2017: PloS One
https://www.readbyqxmd.com/read/28720976/effect-of-enzymatic-treatment-on-the-rheological-behavior-and-vitamin-c-content-of-spondias-tuberosa-umbu-pulp
#2
Rodrigo F Gouvêa, Leilson O Ribeiro, Érika F Souza, Edmar M Penha, Virgínia M Matta, Suely P Freitas
Umbu is a native fruit of the semi-arid Northeastern region of Brazil, which presents an exotic and differentiated flavor. Containing vitamin C and presenting a high potential of consumption, no appropriated technology has been developed to process this fruit and expand its commercialization to other markets. The enzymatic treatment of fruit pulps leads to viscosity reduction, which makes possible an efficient processing for obtaining high quality umbu juices. In order to contribute to the valorization of this underexploited culture, two commercial pectinolytic enzymes, Pectinex Ultra SP-L(®) and Rapidase TF(®), were used to promote viscosity reduction of umbu pulp...
June 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28708083/ten-year-trends-1999-2010-of-adherence-to-the-mediterranean-diet-among-the-balearic-islands-adult-population
#3
Maria Del Mar Bibiloni, Mónica González, Alicia Julibert, Isabel Llompart, Antoni Pons, Josep A Tur
The aim of this work was to assess ten-year trends (1999-2010) of adherence to the Mediterranean dietary pattern (MDP) among the Balearic Islands' adult population. Two independent cross-sectional dietary surveys (1999-2000, n = 1200 and 2009-2010 n = 1388, including participants aged 16-65 years) were carried out in the Balearic Islands, Spain. Dietary habits were assessed by means of two 24 h diet recalls and a validated semi-quantitative food-frequency questionnaire that covers 145 food items. Adherence to the MDP was defined according to a score constructed considering the consumption of nine MDP characteristic components: high monounsaturated fatty acids:saturated fatty acids (MUFA:SFA) ratio, moderate ethanol consumption, high legumes, cereals and roots, fruits, vegetables, and fish consumption, and low consumption of meat and milk...
July 14, 2017: Nutrients
https://www.readbyqxmd.com/read/28702596/characterization-and-cardioprotective-activity-of-anthocyanins-from-nitraria-tangutorum-bobr-by-products
#4
Ming Zhang, Jianbin Ma, Hongtao Bi, Jiayin Song, Hongxia Yang, Zhenghua Xia, Yuzhi Du, Tingting Gao, Lixin Wei
The Nitraria tangutorum Bobr. fruit is an indigenous berry of the shrub belonging to the Zygophyllaceae family which grows at an altitude of over 3000 m in the Tibetan Plateau, and has been used as a native medicinal food for treating weakness of the spleen, stomach syndrome, dyspepsia, neurasthenia, dizziness, etc. for thousands of years. Nowadays, N. tangutorum industrial juice by-products generated from health food production can be a potential low cost source of some unique bioactive ingredients. In a prior study, we established a simultaneous microwave/ultrasonic assisted enzymatic extraction method for extracting antioxidant ingredients from the industrial by-products of N...
July 13, 2017: Food & Function
https://www.readbyqxmd.com/read/28698111/phylogeny-and-biogeography-of-maclura-moraceae-and-the-origin-of-an-anachronistic-fruit
#5
Elliot M Gardner, Paya Sarraf, Evelyn W Williams, Nyree J C Zerega
BACKGROUND AND AIMS: Maclura (ca. 12 spp., Moraceae) is a widespread genus of trees and woody climbers found on five continents. Maclura pomifera, the Osage orange, is considered a classic example of an anachronistic fruit. Native to the central USA, the grapefruit-sized Osage oranges are unpalatable and have no known extant native dispersers, leading to speculation that the fruits were adapted to extinct megafauna. Our aim was to reconstruct the phylogeny, estimate divergence dates, and infer ancestral ranges of Maclura in order to test the monophyly of subgeneric classifications and to understand evolution and dispersal patterns in this globally distributed group...
July 8, 2017: Molecular Phylogenetics and Evolution
https://www.readbyqxmd.com/read/28692816/unique-oestrogen-receptor-ligand-binding-domain-sequence-of-native-parrots-a-possible-link-between-phytoestrogens-and-breeding-success
#6
Catherine E J Davis, Adrian H Bibby, Kevin M Buckley, Kenneth P McNatty, Janet L Pitman
The New Zealand (NZ) native parrots kākāpō, kākā and kea are classified as critically endangered, endangered and vulnerable respectively. Successful reproduction of kākāpō and kākā is linked to years of high levels of fruiting in native flora (mast years). To assess a possible hormonal link between native plants and reproductive success in these parrots in mast years, we examined the ligand-binding domains (LBD) of the progesterone receptor (PR), androgen receptor (AR), estrogen receptor 1 (ESR1) and estrogen receptor 2 (ESR2) in NZ native (kākāpō, kākā, kea and kākāriki) and non-native (Australian cockatiel) parrots and compared them with those in the chicken...
July 11, 2017: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/28692116/variability-among-capsicum-baccatum-accessions-from-goi%C3%A3-s-brazil-assessed-by-morphological-traits-and-molecular-markers
#7
A L A Martinez, J S P Araújo, C F Ragassi, G S C Buso, F J B Reifschneider
Capsicum peppers are native to the Americas, with Brazil being a significant diversity center. Capsicum baccatum accessions at Instituto Federal (IF) Goiano represent a portion of the species genetic resources from central Brazil. We aimed to characterize a C. baccatum working collection comprising 27 accessions and 3 commercial cultivars using morphological traits and molecular markers to describe its genetic and morphological variability and verify the occurrence of duplicates. This set included 1 C. baccatum var...
July 6, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28690799/sex-biased-oviposition-by-a-nursery-pollinator-on-a-gynodioecious-host-plant-implications-for-breeding-system-evolution-and-evolution-of-mutualism
#8
Laura A D Doubleday, Lynn S Adler
Dioecy, a breeding system where individual plants are exclusively male or female, has evolved repeatedly. Extensive theory describes when dioecy should arise from hermaphroditism, frequently through gynodioecy, where females and hermaphrodites coexist, and when gynodioecy should be stable. Both pollinators and herbivores often prefer the pollen-bearing sex, with sex-specific fitness effects that can affect breeding system evolution. Nursery pollination, where adult insects pollinate flowers but their larvae feed on plant reproductive tissues, is a model for understanding mutualism evolution but could also yield insights into plant breeding system evolution...
July 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28686608/biodiversity-conservation-in-an-anthropized-landscape-trees-not-patch-size-drive-bird-community-composition-in-a-low-input-agro-ecosystem
#9
Eric Mellink, Mónica E Riojas-López, Melinda Cárdenas-García
One of the most typical agro-ecosystems in the Llanos de Ojuelos, a semi-arid region of central Mexico, is that of fruit-production orchards of nopales (prickly pear cacti). This perennial habitat with complex vertical structure provides refuge and food for at least 112 species of birds throughout the year. Nopal orchards vary in their internal structure, size and shrub/tree composition, yet these factors have unknown effects on the animals that use them. To further understand the conservation potential of this agro-ecosystem, we evaluated the effects of patch-size and the presence of trees on bird community composition, as well as several habitat variables, through an information-theoretical modelling approach...
2017: PloS One
https://www.readbyqxmd.com/read/28685994/gibberellin-regulated-protein-in-japanese-apricot-is-an-allergen-cross-reactive-to-pru-p-7
#10
Naoko Inomata, Mami Miyakawa, Michiko Aihara
BACKGROUND: Gibberellin-regulated protein (GRP, also known as peamaclein) was recently identified as a new marker allergen related to systemic reactions in peach allergy; however, its role in other fruit allergies is unknown. OBJECTIVE: To investigate the allergenicity of Japanese apricot (JA) GRP and clarify the clinical characteristics of JA allergy patients with GRP sensitization. METHODS: Seven patients (two males, five females, mean age 28...
July 6, 2017: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/28674809/rnai-based-techniques-for-the-analysis-of-gene-function-in-drosophila-germline-stem-cells
#11
Amelia J Blake, Danielle S Finger, Victoria L Hardy, Elizabeth T Ables
Elucidating the full repertoire of molecular mechanisms that promote stem cell maintenance requires sophisticated techniques for identifying and characterizing gene function in stem cells in their native environment. Ovarian germline stem cells in the fruit fly, Drosophila melanogaster, are an ideal model to study the complex molecular mechanisms driving stem cell function in vivo. A variety of new genetic tools make RNAi a useful complement to traditional genetic mutants for the investigation of the molecular mechanisms guiding ovarian germline stem cell function...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28645773/abc-protein-cgabcf2-is-required-for-asexual-and-sexual-development-appressorial-formation-and-plant-infection-in-colletotrichum-gloeosporioides
#12
Zongshan Zhou, Jianyuan Wu, Meiyu Wang, Junxiang Zhang
ATP-binding cassette (ABC) proteins are exclusively found in both prokaryotes and eukaryotes. In this study, we have characterized a gene from Glomerella leaf spot pathogen Colletotrichum gloeosporioides that encodes an ABC protein, whose function to date remains unknown. We designated this gene as CgABCF2. Deletion of CgABCF2 showed drastic reduction both growing rate and conidial production in C. gloeosporioides. The Δcgabcf2 mutant did not form the appressoria, lost the capability to infect apple and failed to form lesions on the wounded leaves and fruits...
June 20, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28620457/early-fruiting-in-synsepalum-dulcificum-schumach-thonn-daniell-juveniles-induced-by-water-and-inorganic-nutrient-management
#13
Dèdéou Apocalypse Tchokponhoué, Sognigbé N'Danikou, Iago Hale, Allen Van Deynze, Enoch Gbènato Achigan-Dako
Background. The miracle plant, Synsepalum dulcificum (Schumach. & Thonn.) Daniell is a native African orphan crop species that has recently received increased attention due to its promise as a sweetener and source of antioxidants in both the food and pharmaceutical industries. However, a major obstacle to the species' widespread utilization is its relatively slow growth rate and prolonged juvenile period. Method. In this study, we tested twelve treatments made up of various watering regimes and exogenous nutrient application (nitrogen, phosphorus and potassium, at varying dosages) on the relative survival, growth, and reproductive development of 15-months-old S...
2017: F1000Research
https://www.readbyqxmd.com/read/28616198/seed-dispersal-of-diospyros-virginiana-in-the-past-and-the-present-evidence-for-a-generalist-evolutionary-strategy
#14
Mimi Rebein, Charli N Davis, Helena Abad, Taylor Stone, Jillian Del Sol, Natalie Skinner, Matthew D Moran
Several North American trees are hypothesized to have lost their co-evolved seed disperser during the late-Pleistocene extinction and are therefore considered anachronistic. We tested this hypothesis for the American persimmon (Diospyros virginiana) by studying the effects of gut passage of proposed seed dispersers on seedling survival and growth, natural fruiting characteristics, and modern animal consumption patterns. We tested gut passage effects on persimmon seeds using three native living species, the raccoon (Procyon lotor), Virginia opossum (Didelphis virginiana), and coyote (Canis latrans), and two Pleistocene analogs; the Asian elephant (Elephas maximus) and alpaca (Vicugna pacos)...
June 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28614366/de-novo-transcriptomic-analysis-and-development-of-est-ssrs-for-sorbus-pohuashanensis-hance-hedl
#15
Congcong Liu, Ying Dou, Xuelian Guan, Qiang Fu, Ze Zhang, Zenghui Hu, Jian Zheng, Yizeng Lu, Wei Li
Sorbus pohuashanensis is a native tree species of northern China that is used for a variety of ecological purposes. The species is often grown as an ornamental landscape tree because of its beautiful form, silver flowers in early summer, attractive pinnate leaves in summer, and red leaves and fruits in autumn. However, development and further utilization of the species are hindered by the lack of comprehensive genetic information, which impedes research into its genetics and molecular biology. Recent advances in de novo transcriptome sequencing (RNA-seq) technology have provided an effective means to obtain genomic information from non-model species...
2017: PloS One
https://www.readbyqxmd.com/read/28610997/identification-of-multienzymatic-complexes-in-the-clonostachys-byssicola-secretomes-produced-in-response-to-different-lignocellulosic-carbon-sources
#16
Helder Andrey Rocha Gomes, Adelson Joel da Silva, Diana Paola Gómez-Mendoza, Agenor Castro Moreira Dos Santos Júnior, Nicholas de Mojana di Cologna, Rosane Mansan Almeida, Robert Neil Gerard Miller, Wagner Fontes, Marcelo Valle de Sousa, Carlos André Ornelas Ricart, Edivaldo Ximenes Ferreira Filho
Multienzymatic complexes with plant lignocellulose-degrading activities have recently been identified in filamentous fungi secretomes. Such complexes have potential biotechnological applications in the degradation of agro-industrial residues. Fungal species from the Clonostachys genus have been intensively investigated as biocontrol agents; however so far their use as producers of lignocellulose-degrading enzymes has not been extensively explored. Secretomes of Clonostachys byssicola following growth on different carbon sources (passion fruit peel, soybean hulls, cotton gin trash, banana stalk, sugarcane bagasse, orange peel, and a composition of soybean hulls: cotton gin trash:orange peel) were subjected to enzymatic assays...
June 10, 2017: Journal of Biotechnology
https://www.readbyqxmd.com/read/28609455/differential-iridoid-production-as-revealed-by-a-diversity-panel-of-84-cultivated-and-wild-blueberry-species
#17
Courtney P Leisner, Mohamed O Kamileen, Megan E Conway, Sarah E O'Connor, C Robin Buell
Cultivated blueberry (Vaccinium corymbosum, Vaccinium angustifolium, Vaccinium darrowii, and Vaccinium virgatum) is an economically important fruit crop native to North America and a member of the Ericaceae family. Several species in the Ericaceae family including cranberry, lignonberry, bilberry, and neotropical blueberry species have been shown to produce iridoids, a class of pharmacologically important compounds present in over 15 plant families demonstrated to have a wide range of biological activities in humans including anti-cancer, anti-bacterial, and anti-inflammatory...
2017: PloS One
https://www.readbyqxmd.com/read/28608474/association-between-ants-hymenoptera-formicidae-and-the-vine-mealybug-hemiptera-pseudococcidae-in-table-grape-vineyards-in-eastern-spain
#18
Aleixandre Beltrà, Cristina Navarro-Campos, Altea Calabuig, Luis Estopà, Felix L Wäckers, Apostolos Pekas, Antonia Soto
BACKGROUND: The vine mealybug, Planococcus ficus (Signoret) (Hemiptera: Pseudococcidae) is a key pest of grapevine in the Mediterranean Basin. Some honeydew collecting ant species are known to increase mealybug populations in other grape-growing regions. However, there is scarce information on either the ant species present in Mediterranean vineyards or their impact on mealybugs. We conducted a study in four commercial vineyards in Eastern Spain in order to i) identify the ant species foraging on the vine canopies, ii) study the association among ant activity, vine mealybug abundance and fruit damage, and iii) test a novel method for ant management, distracting ants from guarding vine mealybugs by providing artificial sugars...
June 12, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28578580/meroterpenoids-with-antitumor-activities-from-guava-psidium-guajava
#19
Xu-Jie Qin, Qian Yu, Huan Yan, Afsar Khan, Mi-Yan Feng, Pan-Pan Li, Xiao-Jiang Hao, Lin-Kun An, Hai-Yang Liu
Psidium guajava L., a species native to South America, has been widely cultivated in the tropical and subtropical areas of China for its popular fruits. The preliminary analysis by liquid chromatography-ultraviolet (LC-UV) indicated the presence of meroterpenoids in the fruits of P. guajava (guava). Subsequent fractionation of the petroleum ether extract resulted in the identification of two new meroterpenoids, psiguajavadials A (1) and B (2), together with 14 previously described meroterpenoids (3-16). Their structures were fully elucidated by comprehensive spectroscopic techniques and theoretical calculations...
June 21, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28576373/high-relative-humidity-pre-harvest-reduces-post-harvest-proliferation-of-salmonella-in-tomatoes
#20
Brecht Devleesschauwer, Massimiliano Marvasi, Mihai C Giurcanu, George J Hochmuth, Niko Speybroeck, Arie H Havelaar, Max Teplitski
Outbreaks of human illness caused by enteric pathogens such as Salmonella are increasingly linked to the consumption of fruits and vegetables. Knowledge on the factors affecting Salmonella proliferation on fresh produce therefore becomes increasingly important to safeguard public health. Previous experiments showed a limited impact of pre-harvest production practices on Salmonella proliferation on tomatoes, but suggested a significant effect of harvest time. We explored the data from two previously published and one unpublished experiment using regression trees, which allowed overcoming the interpretational difficulties of classical statistical models with higher order interactions...
September 2017: Food Microbiology
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