Berkeley bodies are

organelle In cell biology, an organelle is a specialized subunit, usually within a cell (biology), cell, that has a specific function. The name ''organelle'' comes from the idea that these structures are parts of cells, as Organ (anatomy), organs are to th ...

s unique to the yeast cell ''

Saccharomyces cerevisiae ''Saccharomyces cerevisiae'' () (brewer's yeast or baker's yeast) is a species of yeast (single-celled fungal microorganisms). The species has been instrumental in winemaking, baking, and brewing since ancient times. It is believed to have be ...

'', with a secretory mutation in the genes sec7 and sec14. The function of the organelle lies in the CTV (cytoplasm to vacuole targeting) pathway, which is a transport pathway for certain vacuolar

hydrolases In biochemistry, hydrolases constitute a class of enzymes that commonly function as biochemical catalysts that use water to break a chemical bond: :\ce \quad \xrightarrowtext\quad \ce This typically results in dividing a larger molecule into s ...

to be degenerated. The Berkeley body acts as the transport medium from the

cytoplasm The cytoplasm describes all the material within a eukaryotic or prokaryotic cell, enclosed by the cell membrane, including the organelles and excluding the nucleus in eukaryotic cells. The material inside the nucleus of a eukaryotic cell a ...

to the

vacuole A vacuole () is a membrane-bound organelle which is present in Plant cell, plant and Fungus, fungal Cell (biology), cells and some protist, animal, and bacterial cells. Vacuoles are essentially enclosed compartments which are filled with water ...

within this pathway. Studies have shown that Berkeley bodies share structural similarities with autophagosomes, which are involved in

autophagy Autophagy (or autophagocytosis; from the Greek language, Greek , , meaning "self-devouring" and , , meaning "hollow") is the natural, conserved degradation of the cell that removes unnecessary or dysfunctional components through a lysosome-depe ...

. The organelle consists of two enclosed membranes forming an enclosed lumen, which contains cytoplasm. It is formed by vesicles budding off the

Golgi apparatus The Golgi apparatus (), also known as the Golgi complex, Golgi body, or simply the Golgi, is an organelle found in most eukaryotic Cell (biology), cells. Part of the endomembrane system in the cytoplasm, it protein targeting, packages proteins ...

or the

endoplasmic reticulum The endoplasmic reticulum (ER) is a part of a transportation system of the eukaryote, eukaryotic cell, and has many other important functions such as protein folding. The word endoplasmic means "within the cytoplasm", and reticulum is Latin for ...

. They were discovered in 1980 by Peter Novick and

Randy Schekman Randy Wayne Schekman (born December 30, 1948) is an American cell biologist at the University of California, Berkeley, former editor-in-chief of ''Proceedings of the National Academy of Sciences'' and former editor of '' Annual Review of Cell an ...

, of the Department of Biochemistry,

University of California, Berkeley The University of California, Berkeley (UC Berkeley, Berkeley, Cal, or California), is a Public university, public Land-grant university, land-grant research university in Berkeley, California, United States. Founded in 1868 and named after t ...

.Peter Novick, Charles Field and Randy Schekman. Identification of 23 Complementation Groups Required for Post-translational Events in the Yeast Secretory Pathway. ''Cell'', Vol. 21, 205–215, August, 1980.

References

Organelles Saccharomyces cerevisiae {{Cell-biology-stub