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Featured Pathways

Displaying 49 to 60 (of 825 pathways)

Featured Pathways

A blister (bulla) is a bubble of fluid that forms beneath a thin layer of dead skin. The fluid is a mixture of water and proteins that oozes from injured tissue. Blisters most commonly form in response to a specific injury, such as a burn or irritation, and usually involve only the topmost layers of skin. These blisters heal quickly, usually without leaving a scar. Blisters that develop as[..]

The Proper functioning of a cell requires careful control of the levels of important structural proteins, enzymes, and regulatory proteins. Protein molecules are continuously synthesised and degraded in all living organisms. The concentration of individual cellular proteins is determined by a balance between the rates of synthesis and degradation, which in turn are controlled by a series of[..]

Stem Cells are undifferentiated cells that can give rise to several lineages of differentiated cell types. They are the founder cells for every organ, tissue and cell in the body. Stem cells are characterized by the ability to self-renew and maintain Pluripotency. These features allow Stem Cells to fulfill their multiple functions, namely to provide enough cells during organogenesis, to control[..]

The Rho family of small GTP-binding proteins comprises a group of signaling molecules that are activated by a variety of Growth factors, Cytokines, Adhesion molecules, Hormones, Integrins, G-proteins and other biologically active substances and regulate a wide range of biological processes, including Reorganization of the Actin Cytoskeleton, Transcriptional Regulation, Vesicle Trafficking,[..]

Epithelia in multicellular organisms constitute the frontier that separates the individual from the environment. Epithelia are sites of exchange as well as barriers, for the transit of ions and molecules from and into the organism. Epithelial cells achieve this by providing cellular borders that cover external and internal surfaces throughout the body. Complexes between adjacent cells include Gap[..]

T cell responses against tumors require the recognition of specific peptides derived from tumor antigens in association with MIC (MHC Class I Molecules) by CD81 T cells expressing TCRs (T Cell Receptors). Such response generates intracellular antigen processing which are highly selective and binds only to some of the numerous polymorphic MHC class I molecules and often-impaired expression of[..]

Embryonic development is the generation of a multicellular organism from a single cell. During this process, tissues and organs are differentiated and positioned at different parts of the organism. In animals, Embryonic development consists of 4 stages: Cleavage, Patterning, Differentiation and Growth. Mammalian Cleavage is strikingly different from most other patterns of Embryonic cell[..]

An Embryo is a multicellular diploid eukaryote in its earliest stage of development, from the time of first cell division until birth, hatching, or germination. In Humans, it is called an Embryo from the moment of Fertilization until the end of the 8th week of gestational age, whereafter it is instead called a Fetus. In organisms that reproduce sexually, once a Sperm fertilizes an Egg cell,[..]

Nitrosomonas europaea  is a gram-negative obligate chemolithoautotroph that can derive all its energy and reductant for growth from the oxidation of ammonia to nitrite. Nitrosomonas europaea participates in the biogeochemical N cycle in the process of nitrification. Its genome consists of a single circular chromosome of 2,812,094 bp. The cell's demand for carbon has[..]

Prochlorococcus is a unicellular cyanobacterium that dominates the temperate and tropical oceans. It lacks phycobilisomes that are characteristic of cyanobacteria, and contains chlorophyll b as its major accessory pigment. This enables it to absorb blue light efficiently at the low-light intensities and blue wavelengths characteristic of the deep euphotic zone. It contributes 30-80%[..]

The marine unicellular Cyanobacterium Prochlorococcus is the smallest-known oxygen-evolving autotroph. Prochlorococcus marinus, the dominant photosynthetic organism in the ocean, is found in two main ecological forms: high-light-adapted genotypes in the upper part of the water column and low-light-adapted genotypes at the bottom of the illuminated layer. P. marinus[..]

The marine unicellular Cyanobacterium Prochlorococcus is the smallest-known oxygen-evolving autotroph. It numerically dominates the phytoplankton in the tropical and subtropical oceans, and is responsible for a significant fraction of global photosynthesis. Prochlorococcus marinus lacks phycobilisomes that are characteristic of Cyanobacteria, and contains Chlorophyll[..]

Displaying 49 to 60 (of 825 pathways)


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