cuticle and cell wall

Listing 1 - 10 from 19 for cuticle and cell wall

Plant Pathology: Infection Process
... and then enzymatic degradation of the cuticle and cell wall, in order to overcome the physical barriers presented by the plant's surface. During the degradation of the cuticle and wall, a succession of genes are switched on and ...
bugs.bio.usyd.edu.au

Plant Pathology Glossary
... , fruits, seeds and height. Cuticle the waxy or fatty layer covering epidermal cells of plant surfaces exposed to air such as leaves, stems and fruit. The cuticle is water-repellent and aids the ... of material between the host plant's cell wall and cell membrane at the point of fungal penetration. A papilla is usually composed of silicon, lignin and proteins. Parasite an organism or virus ...
bugs.bio.usyd.edu.au More from this site

On-Line Glossary: C
... layer of material external to but contiguous with the cell wall. (16) cardia. In nematodes: Valvular apparatus connecting the esophagus and intestine. Sometimes called the cardiac valve or ... and other organisms. Used for reference and comparison with new isolates. (10) cupulate. Cup-shaped. (5) cuticle. 1. A thin, waxy layer on the outer wall of epidermal cells consisting primarily of wax and ...
ppathw3.cals.cornell.edu

On-Line Glossary: M
... Mycoplasma. (16) molt. To cast off the cuticle. (14) monocyclic. Of a disease or pathogen: Producing one generation of inoculum and one cycle of infection during a ... mycoplasma. A wall-less prokaryotic microorganism of the class Mollicutes. (21) Mycoplasma. A genus of cell wall-less, sterol-requiring, catalase-negative bacteria (family Mycoplasmataceae) occurring as parasites and pathogens. (16) ...
ppathw3.cals.cornell.edu More from this site

t
... system of xylem and phloem, often associated structural supporting tissue and is mostly organized into highly specialized stems, leaves and roots. The aerial parts are protected by a waxy cuticle and are thus ... single cell surrounded by a durable cell wall; they are produced by meiotic divison in which the number of chromosomes is halved and are hence haploid. Spores are minute, non-motile and often ...
www.anbg.gov.au

APSnet Education Center - Laboratory Exercises in Plant Pathology - Cytology of Fungal Infection
... environmental conditions, germinating spores must breach the physical barriers provided by the host (cuticle, cell walls) and face the onslaught of plant biochemical defense mechanisms present in host cytoplasm. ... blue, has a brown tint from melanin accumulation in the cell wall of the appressorium. Table 3. Discussion Questions and Assignments Question Name of student(s) responsible for providing ...
www.apsnet.org

Botany online: Cell Wall
... cell wall. Among the latter is the formation of appositions (cuticle, etc.), the excretion of gelatinous substances and the expression of receptor molecules that serve the species-specific cell-cell recognition and ...
www.biologie.uni-hamburg.de

Lecture 3 Supplemental Notes
... plant-like, but definitely not plants! Base of aquatic food chains Lack cuticle on epidermis - totally dependent on aquatic environment for life cycle Gametophytes are ... and cosmetics - Source of vitamins and minerals Green Algae About 7000 spp - unicellular, colonial and multicellular Have many characteristics in common with land plants (photosynthetic pigments, cell wall composition, cell storage ...
www.biosci.ohio-state.edu

Blackwell Publishing Book
... Pub Date Aus 24/07/2006 Characterization of the Cellulosic Cell Wall Edited by: Douglas Stokke (Iowa State University) and Leslie Groom (US Department of Agriculture, Forest Service) Hardback, ... /06/2006 Biology of the Plant Cuticle Edited by: Markus Riederer (Julius-von-Sachs-Institut für Biowissenschaften, Universität Würzburg, Würzburg) and Caroline Müller (Universität Würzburg, Germany) Hardback, ...
www.blackwellpublishing.com

Methods of Host Infection
... cell cuticle, passes through the epidermal cell wall and enters into the epidermal cell. This hyphal penetration is accomplished by a combination of both mechanical pressure and enzymatic activity. Upon entry into the epidermal cell ...
www.cals.ncsu.edu

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