T1 - a histone h1 variant is required for erythrocyte maturation in medaka. Erythropoiesis (from greek erythro meaning red and poiesis meaning to make) is the process which produces red blood cells (erythrocytes), which is the development from erythropoietic stem cell to mature red blood cell. It is stimulated by decreased o 2 in circulation, which is detected by the kidneys, which then secrete the hormone erythropoietin. Red blood cells (rbcs), also referred to as red cells, red blood corpuscles, haematids, erythroid cells or erythrocytes (from greek erythros for red and kytos for hollow vessel, with -cyte translated as cell in modern usage), are the most common type of blood cell and the vertebrates principal means of delivering oxygen (o 2) to the body tissuesvia blood flow through the circulatory. Learn vocabulary, terms, and more with flashcards, games, and other study tools. In the morphants, residual erythrocytes showed severely impaired nuclear compaction. Although not structurally related to chicken ri histone h5, which is required for erythrocyte maturation, h1-2 may constitute its functional counterpart. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Is required because of the inability of simple diffusion to carry oxygen to tissues and to eliminate waste, 2). Reticulocytes are nucleated immature cells that develop into mature erythrocytes. Fogazzi, in comprehensive clinical nephrology (fourth edition), 2010. There are two main types of urinary erythrocytes isomorphic, with regular shapes and contours, derived from the urinary excretory system and dysmorphic, with irregular shapes and contours, which are of glomerular origin (fig.). Megaloblastic anemia is caused by inadequate folic acid or vitamin b12 absorption, which is required for purine and pyrimidine formation in the synthesis of dna. This results in faulty cell division and maturation with the appearance in the bone marrow of enlarged red cell precursors (megaloblasts) and enlarged (macrocytic) erythrocytes in the blood ( fig.). A histone h1 variant is required for erythrocyte maturation in medaka. Osamu matsuoka 1, norihisa shindo 2, daisuke arai 1 and toru higashinakagawa 1. 1 center for advanced life and medical science, waseda university, tokyo, japan and 2 department of experimental pathology, cancer institute of the japanese foundation for cancer research (jfcr), tokyo, japan. Functional assays are required to test empirically whether stevor, rifins andor pfemp1 contribute to the surface of mature gametocyteinfected erythrocytes, or whether gsa, which our data suggest are heterogeneous molecules and only transiently expressed, are encoded by yet unidentified genes.