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https://www.readbyqxmd.com/read/29456284/spatially-explicit-model-for-assessing-wild-dog-control-strategies-in-western-australia
#1
Carlo Pacioni, Malcolm S Kennedy, Oliver Berry, Danielle Stephens, Nathan H Schumaker
Large predators can significantly impact livestock industries. In Australia, wild dogs ( Canis lupus familiaris , Canis lupus dingo, and hybrids) cause economic losses of more than AUD$40M annually. Landscape-scale exclusion fencing coupled with lethal techniques is a widely practiced control method. In Western Australia, the State Barrier Fence encompasses approximately 260,000km2 of predominantly agricultural land, but its effectiveness in preventing wild dogs from entering the agricultural region is difficult to evaluate...
January 24, 2018: Ecological Modelling
https://www.readbyqxmd.com/read/29456109/synthetic-strigolactone-analogues-reveal-anti-cancer-activities-on-hepatocellular-carcinoma-cells
#2
Mohammed Nihal Hasan, Hani Choudhry, Syed Shoeb Razvi, Said Salama Moselhy, Taha Abduallah Kumosani, Mazin A Zamzami, Ziad Omran, Majed A Halwani, Salim Al-Babili, Khalid Omer Abualnaja, Abdulrahman Labeed Al-Malki, Mahmoud Alhosin, Tadao Asami
Hepatocellular carcinoma (HCC) remains one of the leading causes of death worldwide. The complex etiology is attributed to many factors like heredity, cirrhosis, hepatitis infections or the dysregulation of the different molecular pathways. Nevertheless, the current treatment regimens have either severe side effects or tumors gradually acquire resistance upon prolonged use. Thus, developing a new selective treatment for HCC is the need of the hour. Many anticancer agents derived from plants have been evaluated for their cytotoxicity towards many human cancer cell lines...
February 9, 2018: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/29455523/sonchus-oleraceus-residue-improves-nutritive-and-health-promoting-value-%C3%A2-of-common-bean-phaseolus-vulgaris%C3%A2-%C3%A2-l-a-metabolic-study-%C3%A2
#3
Mahmoud O Hassan, Ahmed M Saleh, Hamada AbdElgawad
This study was conducted to evaluate the use of the phenolic-rich Sonchus ‎oleraceus residue as ‎an ‎environmentally safe approach to induce the nutritive and health-promoting values of ‎common bean ‎‎(Phaseolus vulgaris L. cv. Bronco). S. oleraceus shoot residue, at rates of 150 and 300 g m-2, has ‎improved soil ‎fertility via accumulation of soil macronutrients, ‎organic matter, organic carbon and ‎total phenolics. ‎The growth and yield of bean was significantly increased. Moreover, chemical ‎composition of ‎the treated seeds was significantly altered, whereas higher levels of total ‎antioxidant ‎capacity, ‎proteins, carbohydrates and most of the individual phenolic acids, ‎flavonoids, ‎vitamins, essential ‎amino acids, and unsaturated fatty acids were recorded...
February 17, 2018: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29454893/deciphering-the-growth-pattern-and-phytohormonal-content-in-saskatoon-berry-amelanchier-alnifolia-in-response-to-in-vitro-cytokinin-application
#4
Mack Moyo, Adeyemi O Aremu, Lenka Plačková, Lucie Plíhalová, Aleš Pěnčík, Ondřej Novák, Jan Holub, Karel Doležal, Johannes Van Staden
Clonal propagation plays a critical integral role in the growth and success of a global multi-billion dollar horticulture industry through a constant supply of healthy stock plants. The supply chain depends on continuously improving the micropropagation process, thus, understanding the physiology of in vitro plants remains a core component. We evaluated the influence of exogenously applied cytokinins (CKs, N6 -benzyladenine = BA, isopentenyladenine = iP, meta-topolin = mT, 6-(3-hydroxybenzylamino)-9-(tetrahydropyran-2-yl)purine = mTTHP) in Murashige and Skoog (MS)-supplemented media on organogenic response and accumulation of endogenous CK and indole-3-acetic acid (IAA) metabolites...
February 15, 2018: New Biotechnology
https://www.readbyqxmd.com/read/29453864/-lpcat1-controls-phosphate-homeostasis-in-a-zinc-dependent-manner
#5
Mushtak Kisko, Nadia Bouain, Alaeddine Safi, Anna Medici, Robert C Akkers, David Secco, Gilles Fouret, Gabriel Krouk, Mark Gm Aarts, Wolfgang Busch, Hatem Rouached
All living organisms require a variety of essential elements for their basic biological functions. While the homeostasis of nutrients is highly intertwined, the molecular and genetic mechanisms of these dependencies remains poorly understood. Here, we report a discovery of a molecular pathway that control phosphate (Pi) accumulation plants in Zn deficiency. Using genome-wide association studies we first identified allelic variation of the Lyso-PhosphatidylCholine (PC) AcylTransferase 1 ( LPCAT1 ) gene as the key determinant of shoot Pi accumulation under Zn deficiency...
February 17, 2018: ELife
https://www.readbyqxmd.com/read/29453723/macroelements-and-heavy-metals-content-in-energy-crops-cultivated-on-contaminated-soil-under-different-fertilization-case-studies-on-autumn-harvest
#6
Marta Pogrzeba, Szymon Rusinowski, Jacek Krzyżak
Heavy metals (HMs) contamination of soils is a major problem occurring worldwide. Utility of energy crops for biofuel feedstock production systems offers a feasible solution for a commercial exploitation of an arable land contaminated with HMs. Experiments involved field testing of Miscanthus x giganteus and Spartina pectinata cultivated on HMs-contaminated soil with standard NPK fertilizers and commercially available microbial inoculum. Biomass yield, water content, macronutrients (N, P, K, Mg, Ca), and heavy metal (Cd, Pb, Zn) concentrations in plant shoots were assessed at the end of the first and the second growing season...
February 16, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29453663/the-rice-fruit-weight-2-2-like-gene-family-member-osfwl4-is-involved-in-the-translocation-of-cadmium-from-roots-to-shoots
#7
Wentao Xiong, Peng Wang, Tianze Yan, Baobao Cao, Jun Xu, Defang Liu, Meizhong Luo
Heterogeneous expression of the rice genes "fruit-weight 2.2-like" (OsFWL) affects Cd resistance in yeast, and OsFWL4 mediates the translocation of Cd from roots to shoots. Cadmium (Cd) induces chronic and toxic effects in humans. In a previous study (Xu et al. in Planta 238:643-655, 2013), we cloned the rice genes, designated OsFWL1-8, homologous to the tomato fruit-weight 2.2. Here, we show that expression of genes OsFWL3-7 in yeast confers resistance to Cd. The Cd contents of OsFWL3-, -4-, -6- and -7-transformed Cd(II)-sensitive yeast mutant ycf1 cells were strongly decreased compared with those of empty vector, with the strongest resistance to Cd observed in cells expressing OsFWL4...
February 7, 2018: Planta
https://www.readbyqxmd.com/read/29453661/maize-water-status-and-physiological-traits-as-affected-by-root-endophytic-fungus-piriformospora-indica-under-combined-drought-and-mechanical-stresses
#8
Fatemeh Hosseini, Mohammad Reza Mosaddeghi, Anthony Roger Dexter, Mozhgan Sepehri
Under combined drought and mechanical stresses, mechanical stress primarily controlled physiological responses of maize. Piriformospora indica mitigated the adverse effects of stresses, and inoculated maize experienced less oxidative damage and had better adaptation to stressful conditions. The objective of this study was to investigate the effect of maize root colonization by an endophytic fungus P. indica on plant water status, physiological traits and root morphology under combined drought and mechanical stresses...
February 16, 2018: Planta
https://www.readbyqxmd.com/read/29453440/allocation-of-photosynthesized-carbon-in-an-intensively-farmed-winter-wheat-soil-system-as-revealed-by-14-co-2-pulse-labelling
#9
Zhaoan Sun, Qing Chen, Xiao Han, Roland Bol, Bo Qu, Fanqiao Meng
Understanding the rhizodeposited carbon (C) dynamics of winter wheat (Triticum aestivum L.), is crucial for soil fertility and C sequestration. Pot-grown winter wheat was pulse labelled with 14 CO 2 at the key growth stages. 14 C in the shoots, roots and soil was measured at 5 or 2 days after 14 C-labelling (DAL 5/2) at each growth stage and at harvest. The 14 C in the shoots increased from 4% of the net 14 C recovered (shoots + roots + soil) during tillering to 53% at harvest. Approximately 14-34% of the net 14 C recovered was incorporated into the soil...
February 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29453069/combined-effect-of-copper-and-hydrodynamic-conditions-on-myriophyllum-alterniflorum-biomarkers
#10
Maha Krayem, Véronique Deluchat, Philippe Hourdin, Patrice Fondanèche, Florence Lecavelier Des Etangs, Véronique Kazpard, Christian Moesch, Pascal Labrousse
The aim of this study is to determine the combined effect of copper and hydrodynamic conditions on the response of certain biomarkers of an aquatic macrophyte, namely Myriophyllum alterniflorum. Watermilfoil biomarkers are monitored in a synthetic medium enriched or not with copper (100 μg.L -1 ) for 21 days in aquarium systems (150 L), under three hydrodynamic conditions: laminar, turbulent, and calm. The studied biomarkers are: respiratory and photosynthetic activities; concentrations of chlorophyll a, b and carotenoids; osmotic potential; hydrogen peroxide content; and growth...
February 9, 2018: Chemosphere
https://www.readbyqxmd.com/read/29453068/effect-of-selenium-enriched-organic-material-amendment-on-selenium-fraction-transformation-and-bioavailability-in-soil
#11
Dan Wang, Quang Toan Dinh, Tran Thi Anh Thu, Fei Zhou, Wenxiao Yang, Mengke Wang, Weiwei Song, Dongli Liang
To exploit the plant byproducts from selenium (Se) biofortification and reduce environmental risk of inorganic Se fertilizer, pot experiment was conducted in this study. The effects of Se-enriched wheat (Triticum aestivum L.) straw (WS + Se) and pak choi (Brassica chinensis L.) (P + Se) amendment on organo-selenium speciation transformation in soil and its bioavailability was evaluated by pak choi uptake. The Se contents of the cultivated pak choi in treatments amended with the same amount of Se-enriched wheat straw and pak choi were 1...
February 5, 2018: Chemosphere
https://www.readbyqxmd.com/read/29453065/transcriptomic-analysis-of-boron-hyperaccumulation-mechanisms-in-puccinellia-distans
#12
Saniye Elvan Öztürk, Mehmet Göktay, Canan Has, Mehmet Babaoğlu, Jens Allmer, Sami Doğanlar, Anne Frary
Puccinellia distans, common alkali grass, is found throughout the world and can survive in soils with boron concentrations that are lethal for other plant species. Indeed, P. distans accumulates very high levels of this element. Despite these interesting features, very little research has been performed to elucidate the boron tolerance mechanism in this species. In this study, P. distans samples were treated for three weeks with normal (0.5 mg L -1 ) and elevated (500 mg L -1 ) boron levels in hydroponic solution...
February 12, 2018: Chemosphere
https://www.readbyqxmd.com/read/29452417/fruit-production-and-branching-density-affect-shoot-and-whole-tree-wood-to-leaf-biomass-ratio-in-olive
#13
Adolfo Rosati, Andrea Paoletti, Raeed Al Hariri, Franco Famiani
The amount of shoot stem (i.e., woody part of the shoot) dry matter per unit shoot leaf dry matter (i.e., the shoot wood to leaf biomass ratio) has been reported to be lower in short shoots than in long ones, and this is related to the greater and earlier ability of short shoots to export carbon. This is important in fruit trees, since the greater and earlier carbon export ability of shoots with a lower wood to leaf biomass ratio improves fruit production. This ratio may vary with cultivars, training systems or plant age, but no study has previously investigated the possible effect of fruit production...
February 14, 2018: Tree Physiology
https://www.readbyqxmd.com/read/29450951/studies-on-lead-and-cadmium-toxicity-in-dianthus-carthusianorum-calamine-ecotype-cultivated-in-vitro
#14
Ewa Muszyńska, Ewa Hanus-Fajerska, Krystyna Ciarkowska
The approach based on metallophytes during reclamation of grounds contaminated with heavy metals is still sparse. Thus, we investigated the response of D. carthusianorum calamine ecotype to Pb and Cd stress. We focused on in vitro selection of tolerant plant material appropriated to direct use on chemically degraded areas. Shoot cultures were treated with various concentration of Pb or Cd ions. Plantlets status was estimated on the basis of micropropagation efficiency, growth tolerance index (GTI) and physiological analysis...
February 16, 2018: Plant Biology
https://www.readbyqxmd.com/read/29450670/acetylsalicylic-acid-enhance-tolerance-of-phaseolus-vulgaris-l-to-chilling-stress-improving-photosynthesis-antioxidants-and-expression-of-cold-stress-responsive-genes
#15
Mona H Soliman, Aisha A M Alayafi, Amr A El Kelish, Abdelghafar M Abu-Elsaoud
BACKGROUND: High and low temperatures constitute the most damaging type of abiotic stress and limit the survival, and productivity of plants. The present study aimed to evaluate the role of exogenous applications of acetylsalicylic acid (ASA) in reducing the deleterious effects of cold stress. Phaseolus vulgaris L. seedlings were treated with foliar-sprayed ASA at concentrations of 0-3 mM and then subjected to chilling stress at 4 °C for 2 or 4 days. RESULTS: Growth, photosynthesis, biochemical alterations, oxidative damage and antioxidant enzyme activities as well as the expression of cold-responsive genes (CBF3-COR47), were monitored during the experiment...
February 15, 2018: Botanical Studies (Taipei, Taiwan)
https://www.readbyqxmd.com/read/29450411/revalorization-of-wild-asparagus-stipularis-forssk-as-a-traditional-vegetable-with-nutritional-and-functional-properties
#16
Khaoula Adouni, Hassiba Chahdoura, Habib Mosbah, Celestino Santos-Buelga, Ana M González-Paramás, María Ciudad-Mulero, Ângela Fernandes, Ricardo C Calhelha, Patricia Morales, Guido Flamini, Isabel C F R Ferreira, Lotfi Achour
The nutritional values and phytochemical composition of young shoots of wild Asparagus stipularis Forssk. from Tunisia were determined in this study. The antioxidant (tested by four different in vitro assays) and antiproliferative properties (against human tumour cell lines) of aqueous and hydroalcoholic extracts of the young shoots were also investigated. The obtained results indicated that the young shoots are a potential source of valuable nutrients and dietary fiber, and their hydroalcoholic extract showed marked antioxidant and antiproliferative activities in all tested assays...
February 16, 2018: Food & Function
https://www.readbyqxmd.com/read/29449911/differences-for-traits-associated-with-early-n-acquisition-in-a-grain-legume-and-early-complementarity-in-grain-legume-triticale-mixtures
#17
Nicolas Carton, Christophe Naudin, Guillaume Piva, Rim Baccar, Guénaëlle Corre-Hellou
Early strategies of crop growth and N acquisition can be critical for determining competitive interactions between weeds and crops. Grain legumes and especially lupins are known to be poor competitors against weeds. Grain legumes are known to have low mineral soil N uptake abilities. However, inter- and intraspecific differences in N uptake ability in relation to below-ground traits have received little attention. Our objectives were (i) to measure differences among lupins for a set of traits associated with early growth and N acquisition; (ii) to examine how this variation compares to differences between lupin and a cereal, triticale, and (iii) to assess if mixing lupin with triticale provides a higher potential than does pure lupin regarding plant biomass and mineral soil N acquisition early in the crop cycle...
February 2018: AoB Plants
https://www.readbyqxmd.com/read/29449873/a-novel-rejuvenation-approach-to-induce-endohormones-and-improve-rhizogenesis-in-mature-juglans-tree
#18
Hao Liu, Ying Gao, Xiaobo Song, Qingguo Ma, Junpei Zhang, Dong Pei
Background: Juglans is a difficult-to-root tree. In the present study, we successfully rejuvenated stock plants by grafting and then burying them horizontally. Results: Rooting rates of rejuvenated shoots were 98.1% 20 days after cutting. We recorded spatial and temporal variation in endogenous indole-3-acetic acid (IAA), abscisic acid (ABA), gibberellin A 3 (GA 3 ) and zeatin-riboside (ZR) under root induction. The four types of endohormones were mainly confined to the phloem sieve and companion cells (S&Cs) at the base of either rejuvenated or mature soft shoots...
2018: Plant Methods
https://www.readbyqxmd.com/read/29449861/application-of-electrical-capacitance-method-for-prediction-of-plant-root-mass-and-activity-in-field-grown-crops
#19
Imre Cseresnyés, Katalin Szitár, Kálmán Rajkai, Anna Füzy, Péter Mikó, Ramóna Kovács, Tünde Takács
The root electrical capacitance (C R ) method is suitable for assessing root growth and activity, but soil water content (SWC) strongly influences the measurement results. This study aimed to adapt the method for field monitoring by evaluating the effect of SWC on root capacitance to ensure the comparability of C R detected at different SWC. First a pot experiment was conducted with maize and soybean to establish C R -SWC functions for the field soil. Ontogenetic changes in root activity were monitored under field conditions by simultaneously measuring C R and SWC around the roots...
2018: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29446872/does-selective-hormesis-impact-herbicide-resistance-evolution-in-weeds-accase-resistant-populations-of-alopecurus-myosuroides-huds-as-a-case-study
#20
Regina G Belz, Muhammad B Farooq, Jean Wagner
BACKGROUND: A field-evolved herbicide-resistant weed population can represent a heterogeneous composite of subpopulations that differ in their susceptibility and responsiveness to herbicide hormesis. Variable hormesis responsiveness can result in selection for and against certain subpopulations under low herbicide doses, and this has the potential to contribute to the evolution of resistance. The relevance of this hypothesis at practical field rates was studied for two field-collected acetyl-coenzyme A carboxylase (ACCase) target-site resistant (TSR) biotypes of Alopecurus myosuroides Huds...
February 15, 2018: Pest Management Science
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