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plant cells

Listing 1 - 10 from 442 for plant cells

PKAL - 2000 Summer Institute - Keystone - Documents - Plant Cells
... PKAL - 2000 Summer Institute - Keystone - Documents - Plant Cells PLANT CELLS: A LABORATORY EXPLORATION an abbreviated lab handout based on materials from: Associate Professor Inge Eley ... , cell status (alive vs. dead), and cell function before your examination of each plant sample. Surface or epidermal cells These are derived from small sections of thin leaves (e.g., coleus or ...

Plant Pathology Glossary
... of plant cells and algae. Chlorophyll is the receptor of light energy in photosynthesis. Chlorophyll is also found in photosynthetic bacteria. Chloroplast a disk-shaped structure in plant and algal cells that ... them impermeable to water and gasses. Cork cells form the outermost layer of bark. Cultivar a cultivated plant variety or cultural selection ; a plant type within a species that has ...

Plant Pathology: Infection Process: Plant Defenses
... PLANT DEFENSES Plant pathogens fall into two broad categories: necrotrophs (those that kill plant cells before parasitising them), and biotrophs (those that obtain nutrients from living cells). Failure of pathogens to invade suitable host cells ...
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Department of Plant Biology - Facilities
... of Plant Biology - Facilities From the Shauna Somerville Lab, June 2006 A Novel Form of Resistance Prevents Pathogen Entry into Plant Cells A majority of host plants are resistant to the ... on the establishment of feeding structures in epidermal cells that can draw nutrients from the host cells to support hyphal growth. In healthy, uninfected cells, the PEN3 protein appears uniformly distributed in ...

Department of Plant Biology - News
Department of Plant Biology - News From the Barton Lab, July 2002 Preparing for Life Above and Below Ground: How Plant Embryos Develop Root and Shoot Systems From the Ehrhardt Lab, April, 2003 Real-time imaging reveals the dynamic architecture of plant cells From the Chris Somerville Lab, June, 2004 Signaling a switch between cell types
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Plant Physiology
... Work focuses on the integral, sucrose/H+ symporters (SUTs) at the plasma membrane of plant cells. Site-directed mutagenesis and domain swapping have been used to modify the transport ... plant vacuoles are able to convert between lytic and storage functional states. This latter discovery has propelled our research into the mechanistic understanding of selective degradation of proteins in plant cells. ...

APSnet Education Center - Lab Exercises in Plant Pathology - Following the disease progression of an ectotrophic root-infecting fungus.
... the root and begin the colonization process. Fungal mycelium grows throughout the host roots, around plant cells, and eventually into the stele. Once G. graminis var. tritici begins colonizing the stele, vascular ... key diagnostic symptom, is produced by fungal colonization of the stele. Fungal spread from plant to plant occurs as dark ectotrophic, runner hyphae grow from root to root. Once a host is ...

APSnet Education Center - Lab Exercises in Plant Pathology - Screening for Active Ingredients in Plant Extracts that Inhibit the Growth of Agrobacterium tumefaciens
... plants by detecting phenolic substances produced by wounded plant cells (1). Once inside the plant tissue, the bacterium moves from cell to cell, stimulating surrounding host cells to divide at a rapid rate. The bacterium does this by transferring a piece of its own genetic information, or DNA, into the plant cell. This piece ...
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The Succulent Plant Page: Glossary of Botanical Terms
... cells that combine at fertilisation to form the zygote. Gametophyte, Gametophore - the part of the plant which bears the gametes or sexual cells. The haploid state of life of a sexually reproducing plant ... thereby regulate passage of gases and water vapour through a plant's epidermis. Gum - material resulting from the breakdown of plant cells including their carbohydrates. On exposure to air, gums ...

The Succulent Plant Page: Glossary of Botanical Terms
... . Laticifer - cells containing a characteristic milky fluid called latex. Leaf - an outgrowth from a node on a plant's stem. ... leaf. Lectin - a diverse group of plant proteins capable of aglutinating cells (such as red blood cells). Lectins contain sites that recognise and ... often associated with cellulose in the walls of many plant cells, especially in woody plants. In this form, lignin acts ...
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