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In-vitro and in-planta Botrytis cinerea Inoculation Assays for Tomato

Authors: Jiajie Lian, Hongyu Han, Jiuhai Zhao and Chuanyou Li, date: 04/20/2018, view: 117, Q&A: 0

Botrytis cinerea (B. cinerea) attacks many crops of economic importance, represents one of the most extensively studied necrotrophic pathogens. Inoculation of B. cinerea and phenotypic analysis of plant resistance are key ...

Laminarin Quantification in Microalgae with Enzymes from Marine Microbes

Authors: Stefan Becker and Jan-Hendrik Hehemann, date: 04/20/2018, view: 139, Q&A: 0

The marine beta-glucan laminarin is an abundant storage polysaccharide in microalgae. High production rates and rapid digestion by heterotrophic bacteria turn laminarin into an ideal carbon and energy source, and it is therefore a key player in the ...

Qualitative Analysis of Lipid Peroxidation in Plants under Multiple Stress Through Schiff’s Reagent: A Histochemical Approach

Authors: Jay Prakash Awasthi, Bedabrata Saha, Bhaben Chowardhara, Sanjenbam Sanjibia Devi, Pankaj Borgohain and Sanjib Kumar Panda, date: 04/20/2018, view: 124, Q&A: 0

Lipid peroxidation is a physiological indicator of both biotic and abiotic stress responses, hence is often used as a biomarker to assess stress-induced cell damage or death. Here we demonstrate an easy, quick and cheap staining method to assess ...

Quantification of Thrips Damage Using Ilastik and ImageJ Fiji

Authors: Isabella G. S. Visschers, Nicole M. van Dam and Janny L. Peters, date: 04/20/2018, view: 95, Q&A: 0

Quantification of insect damage is an essential measurement for identifying resistance in plants. In screening for host plant resistance against thrips, the total damaged leaf area is used as a criterion to determine resistance levels. Here we ...

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In-vitro and in-planta Botrytis cinerea Inoculation Assays for Tomato

Authors: Jiajie Lian, Hongyu Han, Jiuhai Zhao and Chuanyou Li, date: 04/20/2018, view: 117, Q&A: 0

[Abstract] Botrytis cinerea (B. cinerea) attacks many crops of economic importance, represents one of the most extensively studied necrotrophic pathogens. Inoculation of B. cinerea and phenotypic analysis of plant resistance are key procedures to investigate the mechanism of plant immunity. Here we describe a protocol for B. ...

Laminarin Quantification in Microalgae with Enzymes from Marine Microbes

Authors: Stefan Becker and Jan-Hendrik Hehemann, date: 04/20/2018, view: 139, Q&A: 0

[Abstract] The marine beta-glucan laminarin is an abundant storage polysaccharide in microalgae. High production rates and rapid digestion by heterotrophic bacteria turn laminarin into an ideal carbon and energy source, and it is therefore a key player in the marine carbon cycle. As a main storage glucan laminarin also plays a central role in the energy ...

Qualitative Analysis of Lipid Peroxidation in Plants under Multiple Stress Through Schiff’s Reagent: A Histochemical Approach

Authors: Jay Prakash Awasthi, Bedabrata Saha, Bhaben Chowardhara, Sanjenbam Sanjibia Devi, Pankaj Borgohain and Sanjib Kumar Panda, date: 04/20/2018, view: 124, Q&A: 0

[Abstract] Lipid peroxidation is a physiological indicator of both biotic and abiotic stress responses, hence is often used as a biomarker to assess stress-induced cell damage or death. Here we demonstrate an easy, quick and cheap staining method to assess lipid peroxidation in plant tissues. In this methodology, Schiff’s reagent, is used to assay for ...

Quantification of Thrips Damage Using Ilastik and ImageJ Fiji

Authors: Isabella G. S. Visschers, Nicole M. van Dam and Janny L. Peters, date: 04/20/2018, view: 95, Q&A: 0

[Abstract] Quantification of insect damage is an essential measurement for identifying resistance in plants. In screening for host plant resistance against thrips, the total damaged leaf area is used as a criterion to determine resistance levels. Here we present an objective novel method for analyzing thrips damage on leaf disc using the freely available ...

In vitro Nitrate Reductase Activity Assay from Arabidopsis Crude Extracts

Authors: Joo Yong Kim and Hak Soo Seo, date: 04/05/2018, view: 186, Q&A: 0

[Abstract] Nitrate reductase (NR) reduces the major plant nitrogen source, NO₃^-, into NO₂^-. NR activity can be measured by its final product, nitrite through its absorbance under optimized condition. Here, we present a detailed protocol for measuring relative enzyme activity of NR from Arabidopsis crude ...

RNA Purification from the Unicellular Green Alga, Chromochloris zofingiensis

Authors: Sean D. Gallaher and Melissa S. Roth, date: 04/05/2018, view: 166, Q&A: 0

[Abstract] Chromochloris zofingiensis is a unicellular green alga that is an emerging model species for studies in fields such as biofuel production, ketocarotenoid biosynthesis and metabolism. The recent availability of a high-quality genome assembly facilitates systems-level analysis, such as RNA-Seq. However, cells of this alga have a tough cell ...

Tracking Lipid Transfer by Fatty Acid Isotopolog Profiling from Host Plants to Arbuscular Mycorrhiza Fungi

Authors: Andreas Keymer, Claudia Huber, Wolfgang Eisenreich and Caroline Gutjahr, date: 04/05/2018, view: 181, Q&A: 0

[Abstract] Lipid transfer from host plants to arbuscular mycorrhiza fungi was hypothesized for several years because sequenced arbuscular mycorrhiza fungal genomes lack genes encoding cytosolic fatty acid synthase (Wewer et al., 2014; Rich et al., 2017). It was finally shown by two independent experimental approaches (Jiang et al., ...

Fluorescein Transport Assay to Assess Bulk Flow of Molecules Through the Hypocotyl in Arabidopsis thaliana

Authors: Salva Duran-Nebreda and George W. Bassel, date: 04/05/2018, view: 153, Q&A: 0

[Abstract] The bulk transport of molecules through plant tissues underpins growth and development. The stem acts as a conduit between the upper and low domains of the plant, facilitating transport of solutes and water from the roots to the shoot system, and sugar plus other elaborated metabolites towards the non-photosynthetic organs. In order to perform ...

Isolation of Nuclei in Tagged Cell Types (INTACT), RNA Extraction and Ribosomal RNA Degradation to Prepare Material for RNA-Seq

Authors: Mauricio A. Reynoso, Germain C. Pauluzzi, Sean Cabanlit, Joel Velasco, Jérémie Bazin, Roger Deal, Siobhan Brady, Neelima Sinha, Julia Bailey-Serres and Kaisa Kajala, date: 04/05/2018, view: 667, Q&A: 0

[Abstract] Gene expression is dynamically regulated on many levels, including chromatin accessibility and transcription. In order to study these nuclear regulatory events, we describe our method to purify nuclei with Isolation of Nuclei in TAgged Cell Types (INTACT). As nuclear RNA is low in polyadenylated transcripts and conventional pulldown methods would ...

Evaluation of Root pH Change Through Gel Containing pH-sensitive Indicator Bromocresol Purple

Authors: Aparecida L. Silva, Keini Dressano, Paulo H. O. Ceciliato, Juan Carlos Guerrero-Abad and Daniel S. Moura, date: 04/05/2018, view: 207, Q&A: 0

[Abstract] The Rapid Alkalinization Factor (RALF) is a plant hormone peptide that inhibits proton transport causing alkalinization of the extracellular media. To detect the alkalinization response elicited by RALF peptides in root cells, Arabidopsis seedlings are carefully transferred to a gel containing the pH-sensitive indicator bromocresol ...