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Accelerated Snowmelt Protocol to Simulate Climate Change Induced Impacts on Snowpack Dependent Ecosystems

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Accelerated Snowmelt Protocol to Simulate Climate Change Induced Impacts on Snowpack Dependent Ecosystems

Authors: Laura T. Leonard, Chelsea Wilmer, Heidi Steltzer, Kenneth H. Williams and Jonathan O. Sharp, date: 03/20/2020, view: 358, Q&A: 0

[Abstract] Field studies that simulate the effects of climate change are important for a predictive understanding of ecosystem responses to a changing environment. Among many concerns, regional warming can result in advanced timing of spring snowmelt in snowpack dependent ecosystems, which could lead to longer snow-free periods and drier summer soils. Past ...

High-resolution and Deep Phylogenetic Reconstruction of Ancestral States from Large Transcriptomic Data Sets

Authors: Sumanth Kumar Mutte and Dolf Weijers, date: 03/20/2020, view: 314, Q&A: 0

[Abstract] Phylogenetics is an important area of evolutionary biology that helps to understand the origin and divergence of genes, genomes and species. Building meaningful phylogenetic trees is needed for the accurate reconstruction of the past. To achieve a correct phylogenetic understanding of genes or proteins, reliable and robust methods are needed to ...

Experiments for in silico evaluation of Optimality of Photosynthetic Nitrogen Distribution and Partitioning in the Canopy: an Example Using Greenhouse Cucumber Plants

Authors: Yi-Chen Pao, Tsu-Wei Chen, Dany Pascal Moualeu-Ngangue and Hartmut Stützel, date: 03/20/2020, view: 300, Q&A: 0

[Abstract] Acclimation of leaf traits to fluctuating environments is a key mechanism to maximize fitness. One of the most important strategies in acclimation to changing light is to maintain efficient utilization of nitrogen in the photosynthetic apparatus by continuous modifications of between-leaf distribution along the canopy depth and within-leaf ...

Single-run HPLC Quantification of Plant Cell Wall Monosaccharides

Authors: Alexandra Menna, Michaela Fischer-Stettler, Barbara Pfister, Gloria Sancho Andrés, Duncan Holbrook-Smith and Clara Sánchez-Rodríguez, date: 03/05/2020, view: 236, Q&A: 0

[Abstract] The plant cell wall is a complex network of polysaccharides and proteins that provides strength and structural integrity to plant cells, as well as playing a vital role in growth, development, and defense response. Cell wall polysaccharides can be broadly grouped into three categories: cellulose, pectins, and hemicelluloses. Dynamic interactions ...

Insect Feeding Assays with Spodoptera exigua on Arabidopsis thaliana

Authors: Yanrong You, Chunpeng An and Chuanyou Li, date: 03/05/2020, view: 293, Q&A: 0

[Abstract] Plant-insect interaction is an important field for studying plant immunity. The beet armyworm, Spodoptera exigua, is one of the best-known agricultural pest insects and is usually used to study plant interactions with chewing insects. Here, we describe a protocol for insect feeding assays with Spodoptera exigua lavae using model ...

Quantification of Protein Enrichment at Plasmodesmata

Authors: Magali S. Grison, Jules D. Petit, Marie Glavier and Emmanuelle M. Bayer, date: 03/05/2020, view: 347, Q&A: 0

[Abstract] Intercellular communication plays a crucial role in the establishment of multicellular organisms by organizing and coordinating growth, development and defence responses. In plants, cell-to-cell communication takes place through nanometric membrane channels called plasmodesmata (PD). Understanding how PD dictate cellular connectivity greatly ...

Tandem Tag Assay Optimized for Semi-automated in vivo Autophagic Activity Measurement in Arabidopsis thaliana roots

Authors: Adrian N. Dauphinee, Jonas A. Ohlsson and Elena A. Minina, date: 03/05/2020, view: 454, Q&A: 0

[Abstract] Autophagy is the main catabolic process in eukaryotes and plays a key role in cell homeostasis. In vivo measurement of autophagic activity (flux) is a powerful tool for investigating the role of the pathway in organism development and stress responses. Here we describe a significant optimization of the tandem tag assay for detection of ...

Construction of Antisense RNA-mediated Gene Knock-down Strains in the Cyanobacterium Anabaena sp. PCC 7120

Authors: Amit Srivastava, Anand Ballal, Karl Forchhammer and Anil Kumar Tripathi, date: 02/20/2020, view: 349, Q&A: 0

[Abstract] Anabaena sp. PCC 7120 (hereafter Anabaena) is a model cyanobacterium to study nitrogen fixation, cellular differentiation and several other key biological functions that are analogous in plants. As with any other organism, many genes in Anabaena encode an essential life function and hence cannot be deleted, causing a ...

Competition Assays to Quantify the Effect of Biocontrol Yeasts against Plant Pathogenic Fungi on Fruits

Authors: Electine Magoye, Melanie Pfister, Maja Hilber-Bodmer and Florian M. Freimoser, date: 02/05/2020, view: 396, Q&A: 0

[Abstract] Yeasts such as Aureobasidium pullulans are unicellular fungi that occur in all environments and play important roles in biotechnology, medicine, food and beverage production, research, and agriculture. In the latter, yeasts are explored as biocontrol agents for the control of plant pathogenic fungi (e.g., Botrytis cinerea, ...

Sulfatase Assay to Determine Influence of Plants on Microbial Activity in Soil

Authors: Anna Koprivova, Achim Schmalenberger and Stanislav Kopriva, date: 01/20/2020, view: 696, Q&A: 0

[Abstract] Sulfatase activity is often used as a measure of the activity of soil microorganisms. It is thus a suitable tool to investigate the response of microbes to plants. Here we present a method to determine the influence of various Arabidopsis genotypes on the function of soil microbiota using the sulfatase as a quantitative measure. We grew ...

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