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https://www.readbyqxmd.com/read/29353413/exploring-the-genetic-and-adaptive-diversity-of-a-pan-mediterranean-crop-wild-relative-narrow-leafed-lupin
#1
Mahsa Mousavi-Derazmahalleh, Philipp E Bayer, Bruno Nevado, Bhavna Hurgobin, Dmitry Filatov, Andrzej Kilian, Lars G Kamphuis, Karam B Singh, Jens D Berger, James K Hane, David Edwards, William Erskine, Matthew N Nelson
This first pan-Mediterranean analysis of genetic diversity in wild narrow-leafed lupin revealed strong East-West genetic differentiation of populations, an historic eastward migration, and signatures of genetic adaptation to climatic variables. Most grain crops suffer from a narrow genetic base, which limits their potential for adapting to new challenges such as increased stresses associated with climate change. Plant breeders are returning to the wild ancestors of crops and their close relatives to broaden the genetic base of their crops...
January 20, 2018: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/29352947/novel-organic-inorganic-hybrid-flower-like-structure-of-selenium-nanoparticles-stabilized-by-pullulan-derivatives
#2
Punnida Nonsuwan, Songchan Puthong, Tanapat Palaga, Nongnuj Muangsin
We proudly present the first organic/inorganic hybrid pullulan/SeNPs hybrid microflower material obtained using a simple and bio-inspired strategy. The chemical structures of pullulan, folic acid decorated cationic pullulan (FA-CP) were designed for stabilizing selenium nanoparticles (SeNPs). SeNPs stabilized by FA-CP hybrid microflowers were observed after the addition of a cysteine hydrochloride solution into the solution mixture of Na2SeO3 and FA-CP. We suggested that the concentrations of cysteine and FA-CP were the key factors for the formation of flower-like structure...
March 15, 2018: Carbohydrate Polymers
https://www.readbyqxmd.com/read/29352810/ectopic-expression-of-the-apple-nucleus-encoded-thylakoid-protein-mdy3ip1-triggers-early-flowering-and-enhanced-salt-tolerance-in-arabidopsis-thaliana
#3
Jian-Qiang Yu, Jia-Hui Wang, Cui-Hui Sun, Quan-Yan Zhang, Da-Gang Hu, Yu-Jin Hao
BACKGROUND: The roles in photosystem I (PSI) assembly of the nucleus-encoded thylakoid protein Y3IP1 who interacts with the plastid-encoded Ycf3 protein that has been well-characterized in plants. However, its function and potential mechanisms in other aspects remain poorly understood. RESULTS: We identified the apple MdY3IP1 gene, which encodes a protein highly homologous to the Arabidopsis Y3IP1 (AtY3IP1). Ectopic expression of MdY3IP1 triggered early-flowering and enhanced salt tolerance in Arabidopsis plants...
January 20, 2018: BMC Plant Biology
https://www.readbyqxmd.com/read/29352719/prognostic-testing-patterns-and-outcomes-of-chronic-lymphocytic-leukemia-patients-stratified-by-fluorescence-in-situ-hybridization-cytogenetics-a-real-world-clinical-experience-in-the-connect-cll-registry
#4
Anthony Mato, Chadi Nabhan, Neil E Kay, Nicole Lamanna, Thomas J Kipps, David L Grinblatt, Christopher R Flowers, Charles M Farber, Matthew S Davids, Pavel Kiselev, Arlene S Swern, Shriya Bhushan, Kristen Sullivan, E Dawn Flick, Jeff P Sharman
INTRODUCTION: Prognostic genetic testing is recommended for patients with chronic lymphocytic leukemia (CLL) to guide clinical management. Specific abnormalities, such as del(17p), del(11q), and unmutated IgHV, can predict the depth and durability of the response to CLL therapy. PATIENTS AND METHODS: In the present analysis of the Connect CLL Registry (ClinicalTrials.gov identifier, NCT01081015), a prospective observational cohort study of patients treated across 199 centers, the patterns of prognostic testing and outcomes of patients with unfavorable-risk genetics were analyzed...
December 6, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/29352393/eco-friendly-pheromone-dispensers-a-green-route-to-manage-the-european-grapevine-moth
#5
Andrea Lucchi, Edith Ladurner, Andrea Iodice, Francesco Savino, Renato Ricciardi, Francesca Cosci, Giuseppe Conte, Giovanni Benelli
The development of environmentally sustainable control strategies to fight insect pests is a key challenge nowadays. Pheromone-mediated mating disruption (MD) is based on the release of synthetic sex attractants into a crop, interfering with mate finding of a given pest species. However, a limited number of research items have been published on the optimization of MD strategies against the European grapevine moth, Lobesia botrana, as well as on the use of biodegradable dispensers to reduce waste production in vineyards, despite the high economic importance of this pest...
January 19, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29351591/could-seasonally-deteriorating-environments-favour-the-evolution-of-autogamous-selfing-and-a-drought-escape-physiology-through-indirect-selection-a-test-of-the-time-limitation-hypothesis-using-artificial-selection-in-clarkia
#6
Simon K Emms, Alisa A Hove, Leah S Dudley, Susan J Mazer, Amy S Verhoeven
Background and Aims: The evolution of selfing from outcrossing may be the most common transition in plant reproductive systems and is associated with a variety of ecological circumstances and life history strategies. The most widely discussed explanation for these associations is the reproductive assurance hypothesis - the proposition that selfing is favoured because it increases female fitness when outcross pollen receipt is limited. Here an alternative explanation, the time limitation hypothesis, is addressed, one scenario of which proposes that selfing may evolve as a correlated response to selection for a faster life cycle in seasonally deteriorating environments...
January 17, 2018: Annals of Botany
https://www.readbyqxmd.com/read/29351192/seed-endophyte-microbiome-of-crotalaria-pumila-unpeeled-identification-of-plant-beneficial-methylobacteria
#7
Ariadna S Sánchez-López, Isabel Pintelon, Vincent Stevens, Valeria Imperato, Jean-Pierre Timmermans, Carmen González-Chávez, Rogelio Carrillo-González, Jonathan Van Hamme, Jaco Vangronsveld, Sofie Thijs
Metal contaminated soils are increasing worldwide. Metal-tolerant plants growing on metalliferous soils are fascinating genetic and microbial resources. Seeds can vertically transmit endophytic microorganisms that can assist next generations to cope with environmental stresses, through yet poorly understood mechanisms. The aims of this study were to identify the core seed endophyte microbiome of the pioneer metallophyte Crotalaria pumila throughout three generations, and to better understand the plant colonisation of the seed endophyte Methylobacterium sp...
January 19, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29350414/ross-river-virus-in-australian-blood-donors-possible-implications-for-blood-transfusion-safety
#8
Helen M Faddy, Thu V Tran, Veronica C Hoad, Clive R Seed, Elvina Viennet, Hiu-Tat Chan, Robert Harley, Elise Hewlett, Roy A Hall, Helle Bielefeldt-Ohmann, Robert L P Flower, Natalie A Prow
BACKGROUND: Emerging transfusion-transmissible pathogens, including arboviruses such as West Nile, Zika, dengue, and Ross River viruses, are potential threats to transfusion safety. The most prevalent arbovirus in humans in Australia is Ross River virus (RRV); however, prevalence varies substantially around the country. Modeling estimated a yearly risk of 8 to 11 potentially RRV-viremic fresh blood components nationwide. This study aimed to measure the occurrence of RRV viremia among donors who donated at Australian collection centers located in areas with significant RRV transmission during one peak season...
January 19, 2018: Transfusion
https://www.readbyqxmd.com/read/29349734/alternative-soilless-media-using-olive-mill-and-paper-waste-for-growing-ornamental-plants
#9
Antonios Chrysargyris, Omiros Antoniou, Andreas Tzionis, Munoo Prasad, Nikolaos Tzortzakis
Peat-based growing media are not ecologically sustainable and peat extraction threatens sensitive peatland ecosystem. In this study, olive-stone waste (OSW) and paper waste (PW) were used in different ratios-as growing media-for ornamental crop production, as peat (P) substitutes. Marigold (Calendula officinalis L.), petunia (Petunia x hybrita L.) and matthiola (Matthiola incana L.) plants were grown in (1) P (100%), (2) P:OSW (90%:10%), (3) P:OSW (70%:30%), and (4) P:OSW:PW (60%:20%:20%). The physicochemical properties of these substrates and the effects on plant growth were determined...
January 18, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29349295/a-triassic-jurassic-window-into-the-evolution-of-lepidoptera
#10
Timo J B van Eldijk, Torsten Wappler, Paul K Strother, Carolien M H van der Weijst, Hossein Rajaei, Henk Visscher, Bas van de Schootbrugge
On the basis of an assemblage of fossilized wing scales recovered from latest Triassic and earliest Jurassic sediments from northern Germany, we provide the earliest evidence for Lepidoptera (moths and butterflies). The diverse scales confirm a (Late) Triassic radiation of lepidopteran lineages, including the divergence of the Glossata, the clade that comprises the vast multitude of extant moths and butterflies that have a sucking proboscis. The microfossils extend the minimum calibrated age of glossatan moths by ca...
January 2018: Science Advances
https://www.readbyqxmd.com/read/29346453/yearly-fluctuations-of-flower-landscape-in-a-mediterranean-scrubland-consequences-for-floral-resource-availability
#11
Víctor Flo, Jordi Bosch, Xavier Arnan, Clara Primante, Ana M Martín González, Helena Barril-Graells, Anselm Rodrigo
Species flower production and flowering phenology vary from year to year due to extrinsic factors. Inter-annual variability in flowering patterns may have important consequences for attractiveness to pollinators, and ultimately, plant reproductive output. To understand the consequences of flowering pattern variability, a community approach is necessary because pollinator flower choice is highly dependent on flower context. Our objectives were: 1) To quantify yearly variability in flower density and phenology; 2) To evaluate whether changes in flowering patterns result in significant changes in pollen/nectar composition...
2018: PloS One
https://www.readbyqxmd.com/read/29345567/proteomic-analysis-of-vernalization-responsive-proteins-in-winter-wheat-jing841
#12
Yalan Feng, Beibei Kong, Jun Zhang, Xianni Chen, Jiale Yuan, Xingwang Tang, Chao Ma
Vernalization is one of the pivotal ways for plants to flower. As one of the major cereal crops, wheat is widely planted in the world. In the present study, we applied two-dimensional gel electrophoresis (2-DE) and matrix-assisted laser desorption/ionization time-of-flight/time-of-flight mass spectrometry (MALDI-TOF/TOF MS) to analyze the changes in protein expression profiles in responding to vernalization in leaves of wheat seedling before (0d) and after (30d) of vernalization. The results indicated that among the 68 differentially expressed proteins that were successfully identified under vernalization, 36 were up-regulated whereas 32 were down-regulated at 0 d, respectively...
January 17, 2018: Protein and Peptide Letters
https://www.readbyqxmd.com/read/29345323/vernalization-can-regulate-flowering-time-through-microrna-mechanism-in-brassica-rapa
#13
Feiyi Huang, Xiaoting Wu, Xilin Hou, Shuaixu Shao, Tongkun Liu
Vernalization is an important process that regulates the floral transition in plants. MiRNAs are endogenous non-coding sRNA molecules that function in plant growth and development. Despite that miRNAs related to flowering have previously been characterized, miRNAs roles in response to vernalization in Pak-choi (Brassica rapa ssp. chinensis) has never been studied. Here, two sRNA libraries from Brassica rapa leaves (vernalized and non-vernalized plants) were constructed and sequenced. 208 known and 535 novel miRNAs were obtained, of which 20 known and 66 new miRNAs were significantly differentially expressed and considered as vernalization-related miRNAs...
January 18, 2018: Physiologia Plantarum
https://www.readbyqxmd.com/read/29344835/genetic-evidence-for-the-role-of-a-rice-vacuolar-invertase-as-a-molecular-sink-strength-determinant
#14
Shamitha Rao Morey, Tatsuro Hirose, Yoichi Hashida, Akio Miyao, Hirohiko Hirochika, Ryu Ohsugi, Junko Yamagishi, Naohiro Aoki
BACKGROUND: Rice is a major crop feeding the majority of the global population, and increasing its sink strength is one of the modes to alleviate the declining availability of food for the rapidly growing world population. We demonstrate a role for an important rice vacuolar invertase isoform, OsINV3, in sink strength determination. RESULTS: OsINV3 mutants showed shorter panicles with lighter and smaller grains, owing to a smaller cell size on the outer and inner surfaces of the palea and lemma as observed by scanning electron microscopy...
January 17, 2018: Rice
https://www.readbyqxmd.com/read/29344830/rap2-6l-and-jasmonic-acid-responsive-genes-are-expressed-upon-arabidopsis-hypocotyl-grafting-but-are-not-needed-for-cell-proliferation-related-to-healing
#15
Keita Matsuoka, Raiki Yanagi, Emi Yumoto, Takao Yokota, Hisakazu Yamane, Shinobu Satoh, Masashi Asahina
Jasmonic acid and RAP2.6L are induced upon wounding but are not involved in cell proliferation during healing in Arabidopsis hypocotyls. Plants produce jasmonic acid in response to wounding, but its role in healing, if any, has not been determined. Previously, the jasmonic acid-induced transcription factor, RAP2.6L, related to APETALA 2.6-like, was identified as a spatially expressed factor involved in tissue reunion in partially incised flowering stems of Arabidopsis. In the present study, we investigated the function of JA and RAP2...
January 17, 2018: Plant Molecular Biology
https://www.readbyqxmd.com/read/29343837/neurocognitive-dysfunction-in-hematopoietic-cell-transplant-recipients-expert-review-from-the-late-effects-and-quality-of-life-working-committee-of-the-cibmtr-and-complications-and-quality-of-life-working-party-of-the-ebmt
#16
REVIEW
David Buchbinder, Debra Lynch Kelly, Rafael F Duarte, Jeffery J Auletta, Neel Bhatt, Michael Byrne, Zachariah DeFilipp, Melissa Gabriel, Anuj Mahindra, Maxim Norkin, Helene Schoemans, Ami J Shah, Ibrahim Ahmed, Yoshiko Atsuta, Grzegorz W Basak, Sara Beattie, Sita Bhella, Christopher Bredeson, Nancy Bunin, Jignesh Dalal, Andrew Daly, James Gajewski, Robert Peter Gale, John Galvin, Mehdi Hamadani, Robert J Hayashi, Kehinde Adekola, Jason Law, Catherine J Lee, Jane Liesveld, Adriana K Malone, Arnon Nagler, Seema Naik, Taiga Nishihori, Susan K Parsons, Angela Scherwath, Hannah-Lise Schofield, Robert Soiffer, Jeff Szer, Ida Twist, Anne B Warwick, Baldeep M Wirk, Jean Yi, Minoo Battiwalla, Mary D E Flowers, Bipin Savani, Bronwen E Shaw
Hematopoietic cell transplantation (HCT) is a potentially curative treatment for children and adults with malignant and non-malignant diseases. Despite increasing survival rates, long-term morbidity following HCT is substantial. Neurocognitive dysfunction is a serious cause of morbidity, yet little is known about neurocognitive dysfunction following HCT. To address this gap, collaborative efforts of the Center for International Blood and Marrow Transplant Research and the European Society for Blood and Marrow Transplantation undertook an expert review of neurocognitive dysfunction following HCT...
January 17, 2018: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/29343742/highly-effective-and-chemically-stable-surface-enhanced-raman-scattering-substrates-with-flower-like-3d-ag-au-hetero-nanostructures
#17
Ying Zhang, Chengliang Yang, Bin Xue, Zenghui Peng, Zhaoliang Cao, Quanquan Mu, Li Xuan
We demonstrated flower-like 3D Ag-Au hetero-nanostructures on an indium tin oxide glass (ITO glass) for surface enhanced Raman scattering (SERS) applications. The flower-like 3D Ag nanostructures were obtained through electrodeposition with liquid crystalline soft template which is simple, controllable and cost effective. The flower-like 3D Ag-Au hetero-nanostructures were further fabricated by galvanic replacement reaction of gold (III) chloride trihydrate (HAuCl4·3H2O) solution and flower-like Ag. The flower-like Ag-Au hetero-nanostructure exhibited stronger SERS effects and better chemical stability compared with flower-like Ag nanostructure...
January 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29343669/direct-interaction-between-vrn1-protein-and-the-promoter-region-of-the-wheat-ft-gene
#18
Chihiro Tanaka, Takafumi Itoh, Yukimoto Iwasaki, Nobuyuki Mizuno, Shuhei Nasuda, Koji Murai
The wheat florigen gene Wheat FLOWERING LOCUS T (WFT, which is identical to VRN3) is an integrator of the vernalization, photoperiod and autonomous pathways in wheat flowering. Many studies have indicated that VERNALIZATION 1 (VRN1) directly or indirectly up-regulates WFT expression in leaves. VRN1 encodes an APETALA1/FRUITFULL-like MADS-box transcription factor that is up-regulated by vernalization and aging, leading to promotion of flowering. In this study, the VRN1 protein was expressed as a His-Tag fusion protein in Escherichia coli and used in an electrophoretic mobility shift assay (EMSA)...
January 17, 2018: Genes & Genetic Systems
https://www.readbyqxmd.com/read/29340787/a-profilin-gene-promoter-from-switchgrass-panicum-virgatum-l-directs-strong-and-specific-transgene-expression-to-vascular-bundles-in-rice
#19
Wenzhi Xu, Wusheng Liu, Rongjian Ye, Mitra Mazarei, Debao Huang, Xinquan Zhang, C Neal Stewart
A switchgrass vascular tissue-specific promoter (PvPfn2) and its 5'-end serial deletions drive high levels of vascular bundle transgene expression in transgenic rice. Constitutive promoters are widely used for crop genetic engineering, which can result in multiple off-target effects, including suboptimal growth and epigenetic gene silencing. These problems can be potentially avoided using tissue-specific promoters for targeted transgene expression. One particularly urgent need for targeted cell wall modification in bioenergy crops, such as switchgrass (Panicum virgatum L...
January 17, 2018: Plant Cell Reports
https://www.readbyqxmd.com/read/29340613/biomass-increase-under-zinc-deficiency-caused-by-delay-of-early-flowering-in-arabidopsis
#20
Xiaochao Chen, Uwe Ludewig
Plants generally produce more biomass when all nutrients are available in sufficient amounts. In addition to environmental constraints, genetic and developmental factors, such as the transition from vegetative to reproductive growth, restrict maximal yield. Here we report the peculiar observation that a subset of Arabidopsis thaliana accessions produced larger shoot rosette diameters when grown in zinc (Zn)-deficient conditions, compared with Zn-sufficient conditions. This was associated with early flowering that restricted the leaf length under Zn sufficiency...
January 11, 2018: Journal of Experimental Botany
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