scholarly journals Desert leaf litter decay: Coupling of microbial respiration, water-soluble fractions and photodegradation

2018 ◽  
Vol 24 (11) ◽  
pp. 5454-5470 ◽  
Author(s):  
Thomas A. Day ◽  
Michael S. Bliss ◽  
Alexander R. Tomes ◽  
Christopher T. Ruhland ◽  
René Guénon
Keyword(s):  
Leaf Litter ◽  
Microbial Respiration ◽  
Water Soluble ◽  
Litter Decay ◽  
Soluble Fractions

scholarly journals General pharmacological profiles of bee venom and its water soluble fractions in rodent models

2004 ◽  
Vol 5 (4) ◽  
pp. 309 ◽  
Author(s):  
Hyun Woo Kim ◽  
Young Bae Kwon ◽  
Tae Won Ham ◽  
Dae Hyun Roh ◽  
Seo Yeon Yoon ◽  
...  
Keyword(s):  
Water Soluble ◽  
Bee Venom ◽  
Rodent Models ◽  
Soluble Fractions ◽  
Pharmacological Profiles

scholarly journals Effect heat stress on subcellular localization of Ca2+ in tomato fruits

2014 ◽  
Vol 67 (3-4) ◽  
pp. 235-241 ◽  
Author(s):  
Grażyna Garbaczewska ◽  
Danuta Chołuj ◽  
Zofia Starck
Keyword(s):  
Heat Stress ◽  
Subcellular Localization ◽  
Calcium Content ◽  
Cell Ultrastructure ◽  
Water Soluble ◽  
Tomato Fruits ◽  
Temperature Regimes ◽  
Saturated Atmosphere ◽  
Experimental Treatments ◽  
Soluble Fractions

The aim of this paper was to compare the fruit cell ultrastructure and subcellular localization of Ca<sup>2+</sup> after heat stress with the use of the potassium antimonate method (Slocum and Roux 1982, Tretyn et al. 1992). The tomato plants Robin cv., relatively tolerant to heat stress, were grown under uncontrolled greenhouse conditions to the stage of fruiting. The plants were placed for 20h in two temperature regimes: 23<sup>o</sup>C (optimal temperature) or 40<sup>o</sup>C (heat stress) in darkness, under water vapour saturated atmosphere. Immediately after heat stress the fruits were harvested to estimate water soluble and insoluble calcium contents and subcellular localization of Ca<sup>2+</sup>. After heating the concentration of calcium in tomato fruits increased about twice. In both temperature treatments the water soluble fractions were lower than insoluble ones at smaller differences between insoluble and soluble fractions after heat stress. The shapes and localization of Ca<sup>2+</sup> detected with the use of potassium antimonate method show that in fruits of control plants the precipitates were numerous, small and of oval shape. They were dispersed in cytosol or adjoined to endoplasmic reticulum or to external membrane of chloroplast. In the fruit of heated plants the precipitates were irregular in shape, amorphous and singly dispersed in the cytosol. We observed also some cytological changes in the structure of membranes and organelles of the plants of both experimental treatments. The heat induced increase of calcium content and the changes in subcellular localization of Ca<sup>2+</sup> under heat stress suggest that calcium ions may be involved in avoiding heat injury. The problem requires more detailed further investigations.

Enhancing water repellency and decay resistance of wood by using water-soluble fractions separated from pyrolytic lignin of fast-pyrolysis bio-oil

2022 ◽  
Vol 177 ◽  
pp. 114540
Author(s):  
Caio Silvestre Lima Sanson ◽  
Cristiane Vieira Helm ◽  
Washington Luiz Esteves Magalhães ◽  
Graciela Inés Bolzon de Muniz ◽  
André Luiz Missio ◽  
...  
Keyword(s):  
Fast Pyrolysis ◽  
Water Repellency ◽  
Decay Resistance ◽  
Water Soluble ◽  
Bio Oil ◽  
Pyrolytic Lignin ◽  
Soluble Fractions

scholarly journals Inflammation Response of Water-Soluble Fractions in Atmospheric Fine Particulates: A Seasonal Observation in 10 Large Chinese Cities

2019 ◽  
Vol 53 (7) ◽  
pp. 3782-3790 ◽  
Author(s):  
Huimin Ma ◽  
Jun Li ◽  
Cong Wan ◽  
Yaohui Liang ◽  
Xiangyun Zhang ◽  
...  
Keyword(s):  
Water Soluble ◽  
Fine Particulates ◽  
Chinese Cities ◽  
Inflammation Response ◽  
Soluble Fractions

scholarly journals A New Phytosanitary Method to Reduce the Ascospore Potential of Venturia inaequalis

Plant Disease ◽  
2017 ◽  
Vol 101 (3) ◽  
pp. 414-420 ◽  
Author(s):  
Franziska M. Porsche ◽  
Barbara Pfeiffer ◽  
Andreas Kollar
Keyword(s):  
Leaf Litter ◽  
Yeast Extract ◽  
Untreated Control ◽  
Venturia Inaequalis ◽  
Apple Scab ◽  
Nutrient Media ◽  
Apple Leaves ◽  
Litter Decay ◽  
Ascospore Discharge ◽  
Infection Pressure

Ascospores of Venturia inaequalis, released from pseudothecia in overwintered, infected apple leaves, serve as the primary inoculum for apple scab. In this study, we tested a new sanitation strategy to reduce ascospore inoculum under orchard conditions over three overwintering periods. After leaf fall, nutrient media containing different concentrations of degraded casein or a yeast extract from Saccharomyces cerivisiae were applied to leaf litter infected with apple scab. The application of 30 and 60% yeast extract showed the greatest efficacy, and significantly reduced ascospore discharge by 99% (P < 0.01) in 2013 and 2014. The efficacy of the treatments did not differ from treatment with 5% urea (P > 0.05). Leaf litter decay was accelerated in the plots treated with yeast extract compared with untreated control plots. Moreover, apple leaves treated with yeast extract had completely decayed due to earthworm activity before ascospore maturity. In comparison, up to 26% of the leaves in untreated control plots had not decayed. These results suggest that the treatment of leaf litter with yeast extract can almost completely eliminate apple scab inoculum in the course of the whole primary season. These sanitation practices may be beneficial for both organic and conventional cultivation. The reduced infection pressure may allow growers the usage of fungicides with lower efficacy or to reduce the number of applications needed to manage apple scab in spring.

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