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When injected into plants, these proteins can enter the nucleus of the plant cell, bind plant promoter sequences, and activate transcription of plant genes that aid in bacterial infection. [7] Plants have developed a defense mechanism against type III effectors that includes R (resistance) genes triggered by these effectors.
Plants depend on epigenetic processes (mechanisms that regulate gene activity and expression without changing the underlying DNA sequence) for proper function. [1] The area of study examines protein interactions with DNA and its associated components, including histones and various other modifications such as methylation , which alter the rate ...
Systems biology is an academic field that seeks to integrate different levels of information to understand how biological systems function. The main article for this category is Systems biology . Contents
Systems biology can be considered from a number of different aspects. As a field of study, particularly, the study of the interactions between the components of biological systems, and how these interactions give rise to the function and behavior of that system (for example, the enzymes and metabolites in a metabolic pathway or the heart beats).
An image of multiple chromosomes, taken from many cells. Plant genetics is the study of genes, genetic variation, and heredity specifically in plants. [1] [2] It is generally considered a field of biology and botany, but intersects frequently with many other life sciences and is strongly linked with the study of information systems.
In plants, the MEF2-like MADS-domain proteins are also termed MIKC-type proteins referring to their conserved domain structure, where the MADS (M) domain is followed by an Intervening (I), a Keratin-like (K) and a C-terminal domain. [12] In plants, MADS-domain protein form tetramers and this is thought to be central for their function.
Structure of a gene regulatory network Control process of a gene regulatory network. A gene (or genetic) regulatory network (GRN) is a collection of molecular regulators that interact with each other and with other substances in the cell to govern the gene expression levels of mRNA and proteins which, in turn, determine the function of the cell.
Polycomb-group proteins also intervene in the control of flowering by silencing the Flowering Locus C gene. [11] This gene is a central part of the pathway that inhibits flowering in plants and its silencing during winter is suspected to be one of the main factors intervening in plant vernalization .
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