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Pseudomonadales

The Pseudomonadales are an order of Proteobacteria. They are gram-negative. Some species can cause diseases, they are pathogen. For example, Pseudomonas aeruginosa can cause sepsis. Azomonas and Azotobacter are able to fix nitrogen.

                                               

Salmonella

Salmonella is a genus of bacteria. It is a major cause of illness throughout the world. The bacteria are generally passed on to humans by eating or drinking food of animal origin which has the bacteria in it, mainly meat, poultry, eggs and milk. ...

                                               

Spirochaete

Spirochaetes are the phylum Spirochaetae. These are double-membrane bacteria with long, helically coiled cells. Spirochaetes are bacteria. They have flagella, which run lengthwise between the cell wall and outer membrane. The flagella cause a twi ...

                                               

Treponema pallidum

Treponema pallidum is a parasitic spirochaete bacterium. There are different kinds of Treponema pallidum, which cause diseases like syphilis, bejel, pinta and yaws. The most common disease caused by Treponema pallidum is syphilis, a serious sexua ...

                                               

Vibrio

Vibrio is a genus of gram-negative bacteria possessing a curved rod shape, several species of which can cause foodborne infection, usually associated with eating undercooked seafood. Typically found in saltwater, Vibrio are facultative anaerobes ...

                                               

Yersinia pestis

Yersinia pestis is a bacillus. It is a bacterium. It has been identified as the infectious agent of bubonic plague. This bacterium also causes other forms of plague- Septicemic plague and pneumonic plague. These three forms of the plague have bee ...

                                               

Bacillus

Bacillus is a genus of rod shaped bacteria. They are Gram-positive, meaning they have an extra outside cell layer. Bacilli are partly or wholly aerobic. They do aerobic respiration. They are everywhere in nature. Bacillus includes both free-livin ...

                                               

Clostridia

The Clostridia are a class of Firmicutes, including Clostridium and other similar genera. The Clostridia are obligate anaerobes. They lack aerobic respiration, and oxygen is toxic to them. Species of the genus Clostridium are all Gram-positive an ...

                                               

Deinococcus radiodurans

Deinococcus radiodurans is a gram-positive, nonmotile, red-pigmented bacterium. It was originally identified as a contaminant of irradiated canned meat in 1956. Deinococcus radiodurans has the systems for DNA repair, DNA damage export and genetic ...

                                               

Enterococcus

Enterococcus is a genus of lactic acid bacteria of the phylum Firmicutes. Enterococci are Gram-positive cocci that often occur in pairs or short chains. They look like streptococci. Two species are regular gut flora organisms in the intestines of ...

                                               

Firmicutes

The group is typically divided into the Clostridia, which are anaerobic, the Bacilli, which are aerobic, and the Mollicutes, a class of bacteria which do not have cell walls. On phylogenetic trees, the first two groups show up as paraphyletic or ...

                                               

Jeotgalicoccus

Jeotgalicoccus is a genus of gram-positive bacteria. The cells are coccoid which means that they look like a circle or sphere. Most of the species are facultatively anaerobic. They are halotolerant to halophilic. Jeotgalicoccus is named after the ...

                                               

Listeria

Listeria is a genus of bacteria with about ten species. It is named after Joseph Lister. Listeria are very common, they occur almost everywhere. Two of the ten species are pathogens: they can cause a disease called listeriosis in decaying food. I ...

                                               

MRSA

MRSA is a strain of Methicillin-resistant Staphylococcus aureus. This is a bacterium which causes infections in different parts of the body. It is tougher to treat than other strains of Staphylococcus aureus – or staph – because it is resistant t ...

                                               

Sporolactobacillus

Sporolactobacillus is a genus of bacteria. The species produce lactic acid: They are lactic acid bacteria. The cells are rods. They appear single or in pairs. Rarely they make short chains. They can form Endospores which are resistant to temperat ...

                                               

Sporosarcina ureae

Sporosarcina ureae is a species of bacteria. It is the type species of its genus and is closely related to Bacillus species. It lives in the soil. It is able to break down urea. Therefore, the name. The cells are coccoid. It has some flagella. Sp ...

                                               

Staphylococcaceae

Staphylococcaceae is a family of bacteria. The bacteria of this family are gram-positive. Some of the genus Staphylococcus are harmful: they are pathogens.

                                               

Staphylococcus

Staphylococcus is a genus of gram-positive bacteria. The name comes from the Greek: σταφυλή which means "bunch of grapes" and κόκκος which means "granule". Under a microscope they appear round, because they are cocci. They form in grape-like clus ...

                                               

Streptococcus

Streptococcus is a genus of spherical Gram-positive bacteria belonging to the phylum Firmicutes and the lactic acid bacteria group. They are cocci, meaning that they are shaped like spheres or circles. Cellular division occurs along a single axis ...

                                               

Streptomyces

Streptomyces is the largest genus of Actinobacteria. Over 500 species of Streptomyces bacteria have been described. They are bacteria, but their manner of growth makes them look like fungi. They form long thin threads or hyphae. However, they are ...

                                               

Epiphyte

An epiphyte is a plant which grows on another plant, without being a parasite. The term is also be used for bacteria, fungi, lichens and mosses which grow on plants. However, most epiphytes are flowering plants; and about a third of all ferns are ...

                                               

Banyan

A banyan is a kind of fig. It usually starts life by growing on another plant as an epiphyte. Its seeds germinate in the cracks and crevices on a host tree, or on other structures like buildings and bridges. "Banyan" usually means the Indian bany ...

                                               

Cocculus carolinus

Cocculus carolinus otherwise known as Carolina Coralbead, Redberry Moonseed or the Carolina snailseed. It is indigenous to several states along the South to Midwest. It gets its name from the bright red color of the marble like berry that protrud ...

                                               

Monstera

Monstera is a genus of flowering plants. There are about 60 species in the genus. The genus belongs to the family Araceae. Originally, the plants occur in the tropical regions of Central and South America. The plants are herbs or evergreen vines. ...

                                               

Morning glory

Most morning glory flowers curl up and close during the warm parts of the day, and are wide open in the morning, like their name. On a cloudy day, the flower may last until night. The flowers usually start to fade a few hours before the petals st ...

                                               

Vine

A vine is a climbing plant which use stems or runners. These runners trail on the ground, and will climb up when it is possible. It is a growth habit or life habit which makes use of trees to reach light in natural habitats. In the United Kingdom ...

                                               

Mould

Mould is a type of fungus. It grows in the form of multicellular filaments called hyphae. In contrast, fungi that can adopt a single-celled growth habit are called yeasts. Molds are a large group of fungi. The growth of their hyphae results in di ...

                                               

Aspergillus flavus

Aspergillus flavus is a potentially dangerous pathogen. It is a fungus with a very widespread distribution. It grows in soils as a saprophyte. It also grows on cereal grains, legumes, and tree nuts. In addition to causing pre-harvest and post-har ...

                                               

Black bread mold

Black bread mold is a common type of fungus. It grows and reproduces the same way that most molds do. In asexual reproduction, the mold makes spores inside a sporangium. When the spores are ready to leave and spread more mold, the sporangium brea ...

                                               

List of plants by common name

The common names of plants often vary from region to region, which is why most plant encyclopedias refer to plants using binomials, or "Latin" names. Common names are also referred to as "country names" or "farmers names". These names develop ove ...

                                               

List of Salvia species

This is a list of species in the genus Salvia. The list should not be considered complete. As with most botanical taxonomies, the list may change as new discoveries are made.

                                               

Alternation of generations

The term alternation of generations is used to describe an alternation of forms in the life cycle of plants and some protists. One form is diploid, with 2 n chromosomes: the sporophyte. The other form is haploid with only one set of chromosomes: ...

                                               

Bark

Bark is the covering of the stems of woody plants, like trees. Bark protects the tree. Bark of different plants and trees can look very different, it can be rough or smooth and can have different colors. It is the outer layer of tree trunks. Most ...

                                               

Cell wall

A cell wall is the wall of a cell in plants, bacteria, fungi, algae, and some archaea. Animal cells do not have cell walls, nor do protozoa. Cell walls protect the cells from damage. It is also there to make the cell strong, to keep its shape, an ...

                                               

Cork cambium

Cork cambium is a tissue in many vascular plants as part of the bark. The cork cambium is a lateral meristem and is responsible for secondary growth that replaces the epidermis in roots and stems. It is found in woody and many herbaceous dicots, ...

                                               

Epidermis (botany)

The epidermis in plants is a single layer of cells. It covers the leaves, flowers, roots and stems of plants. It divides the plant from the outside environment. The epidermis has more than one function. It protects the plant from loss of water. I ...

                                               

Ground tissue

Ground tissue is the name for a number of different kinds of tissue of plants. These kinds are usually classified by looking at the cell walls. There are three different main kinds: Parenchyma cells have thin primary walls and usually remain aliv ...

                                               

Gynoecium

A gynoecium is the female reproductive parts of a flower. The male parts are called the androecium. Some flowers have both female and male parts, and some do not. Another key term is carpel. Carpels are the building blocks of a pistil. The gynoec ...

                                               

Inflorescence

An inflorescence is a flowering stem. The term is most used for a group or cluster of flowers arranged on a stem. An inflorescence is the reproductive portion of a plant; each plant bears its flowers in a specific pattern. Sometimes it is just a ...

                                               

Leaf

A leaf is an above-ground plant organ and it is green. Its main functions are photosynthesis and gas exchange. A leaf is often flat, so it absorbs the most light, and thin, so that the sunlight can get to the chloroplasts in the cells. Most leave ...

                                               

Lipid bilayer

Lipid bilayers form cell membranes. They form a continuous sheet around all cells, and they surround most cell organelles. Lipid bilayers form automatically from phospholipids by self-assembly. The phospholipids have heads which mix with water an ...

                                               

Medullary ray

In botany, medullary rays are sheets or ribbons of cells running from the inside of the plant to the outside. That is, they run at right angles to the xylem and phloem, which run vertically. While the plant is alive, these medullary cells are ali ...

                                               

Meristem

A meristem is a tissue in plants made of dividing cells. They are in parts of the plant where growth can take place. Plant cells which are differentiated generally cannot divide or produce cells of a different type. Therefore, cell division in th ...

                                               

Mitosis

Mitosis is part of the cycle of cell division. The chromosomes of a cell are copied to make two identical sets of chromosomes, and the cell nucleus divides into two identical nuclei. Before mitosis, the cell creates an identical set of its own ge ...

                                               

Morphogenesis

Morphogenesis, is the biological process that causes an organism to develop its shape. It is one of three fundamental aspects of developmental biology along with the control of cell growth and cellular differentiation. The process controls the or ...

                                               

Phloem

In vascular plants, phloem is the living tissue made up of small tubes which carry watery sap containing sugar and other organic nutrients to all parts of the plant where the nutrients are used for growth, or stored until needed. The sugar is mad ...

                                               

Plant cell

Like all organisms, plants have cells. Plant cells have a nucleus with chromosomes and DNA, and they have mitochondria. Those are common to all eukaryotic cells. But in some ways they are different from animal cells and the cells of other eukaryo ...

                                               

Plant stem

A stem is one of two main structural axes of a vascular plant. The stem is normally divided into nodes and internodes, the nodes hold leaves, flowers, cones, axillary buds, or other stems etc. The term "shoots" is often confused with "stems". A " ...

                                               

Plasmodesma

Plasmodesma is a microscopic channel across the cell wall of a plant cell. It allows transport and communication between neighbouring cells. Plasmodesmata also evolved independently in some algae. Unlike animal cells, every plant cell is surround ...

                                               

Pollen

Pollen is a powder made of pollen grains, which produce sperm cells of seed plants. The pollen grains are actually haploid male gametophytes.

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