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Pseudomonas Marginalis
''Pseudomonas marginalis'' is a soil bacterium that can cause soft rots of plant tissues. It infects List of poinsettia diseases, poinsettia, List of lettuce diseases, lettuce, and List of crucifer diseases, crucifers (List of canola diseases, canola, List of mustard diseases, mustard). Based on 16S rRNA analysis, ''P. marginalis'' has been placed in the ''Pseudomonas fluorescens, P. fluorescens'' group. References External links Type strain of ''Pseudomonas marginalis'' at Bac''Dive'' - the Bacterial Diversity Metadatabase
Pseudomonadales Bacterial plant pathogens and diseases Ornamental plant pathogens and diseases Food plant pathogens and diseases Lettuce diseases Bacteria described in 1918 {{Pseudomonadales-stub ...
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Chicory
Common chicory ('' Cichorium intybus'') is a somewhat woody, perennial herbaceous plant of the family Asteraceae, usually with bright blue flowers, rarely white or pink. Native to the Old World, it has been introduced to North America and Australia. Many varieties are cultivated for salad leaves, chicons ( blanched buds), or roots (var. ''sativum''), which are baked, ground, and used as a coffee substitute and food additive. In the 21st century, inulin, an extract from chicory root, has been used in food manufacturing as a sweetener and source of dietary fiber. Chicory is grown as a forage crop for livestock. "Chicory" is also the common name in the United States for curly endive ('' Cichorium endivia''); these two closely related species are often confused. Description When flowering, chicory has a tough, grooved, and more or less hairy stem. It can grow to tall. The leaves are stalked, lanceolate and unlobed; they range from in length (smallest near the top) and wide. The ...
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Soil
Soil, also commonly referred to as earth or dirt, is a mixture of organic matter, minerals, gases, liquids, and organisms that together support life. Some scientific definitions distinguish ''dirt'' from ''soil'' by restricting the former term specifically to displaced soil. Soil consists of a solid phase of minerals and organic matter (the soil matrix), as well as a porous phase that holds gases (the soil atmosphere) and water (the soil solution). Accordingly, soil is a three-state system of solids, liquids, and gases. Soil is a product of several factors: the influence of climate, relief (elevation, orientation, and slope of terrain), organisms, and the soil's parent materials (original minerals) interacting over time. It continually undergoes development by way of numerous physical, chemical and biological processes, which include weathering with associated erosion. Given its complexity and strong internal connectedness, soil ecologists regard soil as an ecosystem. Most ...
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Bacterium
Bacteria (; singular: bacterium) are ubiquitous, mostly free-living organisms often consisting of one biological cell. They constitute a large domain of prokaryotic microorganisms. Typically a few micrometres in length, bacteria were among the first life forms to appear on Earth, and are present in most of its habitats. Bacteria inhabit soil, water, acidic hot springs, radioactive waste, and the deep biosphere of Earth's crust. Bacteria are vital in many stages of the nutrient cycle by recycling nutrients such as the fixation of nitrogen from the atmosphere. The nutrient cycle includes the decomposition of dead bodies; bacteria are responsible for the putrefaction stage in this process. In the biological communities surrounding hydrothermal vents and cold seeps, extremophile bacteria provide the nutrients needed to sustain life by converting dissolved compounds, such as hydrogen sulphide and methane, to energy. Bacteria also live in symbiotic and parasitic relationshi ...
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Plant
Plants are predominantly photosynthetic eukaryotes of the kingdom Plantae. Historically, the plant kingdom encompassed all living things that were not animals, and included algae and fungi; however, all current definitions of Plantae exclude the fungi and some algae, as well as the prokaryotes (the archaea and bacteria). By one definition, plants form the clade Viridiplantae (Latin name for "green plants") which is sister of the Glaucophyta, and consists of the green algae and Embryophyta (land plants). The latter includes the flowering plants, conifers and other gymnosperms, ferns and their allies, hornworts, liverworts, and mosses. Most plants are multicellular organisms. Green plants obtain most of their energy from sunlight via photosynthesis by primary chloroplasts that are derived from endosymbiosis with cyanobacteria. Their chloroplasts contain chlorophylls a and b, which gives them their green color. Some plants are parasitic or mycotrophic and have lost the ...
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List Of Poinsettia Diseases
This article is a list of diseases of poinsettia (''Euphorbia pulcherrima''). Bacterial diseases Fungal diseases This also includes oomycete Oomycota forms a distinct phylogenetic lineage of fungus-like eukaryotic microorganisms, called oomycetes (). They are filamentous and heterotrophic, and can reproduce both sexually and asexually. Sexual reproduction of an oospore is the resul ...s Nematodes, parasitic Viral and viroid diseases Miscellaneous diseases and disorders References * Common Names of Diseases, The American Phytopathological Society] {{DEFAULTSORT:List Of Poinsettia Diseases Lists of plant diseases, Poinsettia Poinsettia ...
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List Of Lettuce Diseases
This article is a list of diseases of lettuce (''Lactuca sativa''). Bacterial diseases Fungal diseases Miscellaneous diseases and disorders Nematodes, parasitic Phytoplasma, Viral and viroid diseases ReferencesCommon Names of Diseases, The American Phytopathological Society{{reflist Lettuce Lettuce (''Lactuca sativa'') is an annual plant of the family Asteraceae. It is most often grown as a leaf vegetable, but sometimes for its stem and seeds. Lettuce is most often used for salads, although it is also seen in other kinds of food, ...
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List Of Crucifer Diseases
This article is a list of diseases of crucifers (''Brassica'' and ''Raphanus'' spp.). Bacterial diseases Fungal diseases Miscellaneous diseases and disorders Nematodes, parasitic Viral diseases {, class="wikitable" style="clear" ! colspan=2, Viral diseases , - , Cauliflower mosaic , , Cauliflower mosaic virus , - , Radish mosaic , , Radish mosaic virus , - , Turnip mosaic , , Turnip yellow mosaic virus , - , Yellows , , Beet western yellows virus , - ReferencesCommon Names of Diseases, The American Phytopathological Society
Crucifer A crucifer or cross-bearer is, in some Christian churches (particularly the Roman Catholic Church, Anglican Communion, Luthe ...
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List Of Canola Diseases
This article is a list of diseases of rapeseed and canola (''Brassica napus'' and ''B. rapa'' or ''B. campestris''). Bacterial diseases Fungal diseases Viral diseases Phytoplasmal diseases Miscellaneous diseases and disorders {, class="wikitable" style="clear:left" ! colspan=2, Miscellaneous diseases and disorders , - , Autogenic necrosis , , Genetic disorder , - , Black speck , , Physiological , - , Sulfur deficiency , , Sulfur deficiency , - , Tipburn , , Calcium deficiency , - ReferencesCommon Names of Diseases, The American Phytopathological Society Canola Close-up of canola blooms Canola flower Rapeseed oil is one of the oldest known vegetable oils. There are both edible and industrial forms produced from rapeseed, the seed of several cultivars of the plant family Brassicaceae. Historically, i ...
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List Of Mustard Diseases
This article is a list of diseases of mustard (''Brassica juncea'' var. ''crispifolia'' and ''B. nigra''). Bacterial diseases Fungal diseases Miscellaneous diseases and disorders Nematodes, parasitic Viral diseases {, class="wikitable" style="clear" ! colspan=2, Viral diseases , - , Mosaic , , Cauliflower mosaic virus , - , Rai mosaic virus , , Turnip yellow mosaic virus ''Turnip yellow mosaic virus'' (TYMV) is an isometric ''Tymovirus'' of the family ''Tymoviridae''. Its host range is confined almost entirely to plants in the genus ''Brassica'' in western Europe, which includes cabbages, cauliflower and broccol ... , - ReferencesCommon Names of Diseases, The American Phytopathological Society Mustard Canola diseases ...
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RRNA
Ribosomal ribonucleic acid (rRNA) is a type of non-coding RNA which is the primary component of ribosomes, essential to all cells. rRNA is a ribozyme which carries out protein synthesis in ribosomes. Ribosomal RNA is transcribed from ribosomal DNA (rDNA) and then bound to ribosomal proteins to form small and large ribosome subunits. rRNA is the physical and mechanical factor of the ribosome that forces transfer RNA (tRNA) and messenger RNA (mRNA) to process and translate the latter into proteins. Ribosomal RNA is the predominant form of RNA found in most cells; it makes up about 80% of cellular RNA despite never being translated into proteins itself. Ribosomes are composed of approximately 60% rRNA and 40% ribosomal proteins by mass. Structure Although the primary structure of rRNA sequences can vary across organisms, base-pairing within these sequences commonly forms stem-loop configurations. The length and position of these rRNA stem-loops allow them to create three-di ...
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Pseudomonas Fluorescens
''Pseudomonas fluorescens'' is a common Gram-negative, rod-shaped bacterium. It belongs to the ''Pseudomonas'' genus; 16S rRNA analysis as well as phylogenomic analysis has placed ''P. fluorescens'' in the ''P. fluorescens'' group within the genus, Text was copied from this source, which is available under Creative Commons Attribution 4.0 International License to which it lends its name. General characteristics ''Pseudomonas fluorescens'' has multiple flagella. It has an extremely versatile metabolism, and can be found in the soil and in water. It is an obligate aerobe, but certain strains are capable of using nitrate instead of oxygen as a final electron acceptor during cellular respiration. Optimal temperatures for growth of ''P. fluorescens'' are 25–30° C. It tests positive for the oxidase test. It is also a nonsaccharolytic bacterial species. Heat-stable lipases and proteases are produced by ''P. fluorescens'' and other similar pseudomonads. These enzymes cause m ...
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Pseudomonadales
The Pseudomonadales are an order of Pseudomonadota. A few members are pathogens, such as species of ''Pseudomonas'', ''Moraxella'', and ''Acinetobacter'', which may cause disease in humans, animals and plants. ''Pseudomonas'' The bacterial genus ''Pseudomonas'' includes the opportunistic human pathogen ''P. aeruginosa'', plant pathogenic bacteria, plant beneficial bacteria, ubiquitous soil bacteria with bioremediation capabilities and other species that cause spoilage of milk and dairy products. ''Pseudomonas aeruginosa'' can cause chronic opportunistic infections that have become increasingly apparent in immunocompromised patients and the ageing population of industrialised societies. The genome sequences of several pseudomonads have become available in recent years and researchers are beginning to use the data to make new discoveries about this bacterium. ''Acinetobacter'' The genus ''Acinetobacter'' is a group of Gram-negative, nonmotile and nonfermentative bacteria belongin ...
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