Počet záznamov: 1
On the origin of eukaryotes and their endomembranes
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$2 DOI 101 0-
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$a On the origin of eukaryotes and their endomembranes $f Matej Vesteg, Juraj Krajčovič, Libor Ebringer 330 $a A novel hypothesis for the origin of eukaryotes is presented. It is assumed that the universal ancestor was bounded by two membranes of heterochiral lipid composition. We propose that the pre-karyote (the hypothetical host entity for alpha-proteobacteria), though sharing a common ancestor with Archaea, was bounded by two membranes. The hypothesis suggests that an a-proteo bacterial symbiont was enclosed in the pre-karyote intermembrane space. In this view, the eukaryotic nuclear membrane and endomembrane system arose from the pre-karyote inner membrane while the eukaryotic plasma membrane arose from the pre-karyote outer membrane. The outlined scenario agrees with the view that engulfment of an alpha-proteobacterial cell by a host entity and its transformation to a mitochondrion was the driving force leading to the appearance of the first eukaryotic cell. The hypothesis seems to be consistent with the pre-cell theory, theory of membrane heredity, and the phagocytosis-late scenario. 463 -1
$1 001 umb_un_cat*0318779 $1 011 $a 0035-6050 $1 011 $a 1825-6538 $1 200 1 $a Rivista di biologia $d Biology forum $v Vol. 99, no. 3 (2006), pp. 499-520 $1 210 $a Genova $c Tilgher-Genova $d 2006 606 0-
$3 umb_un_auth*0044485 $a organely (mitochondrie) $X mitochondrions 606 0-
$3 umb_un_auth*0256272 $a eukaryoty $X eukaryotes $Y Eukaryota 606 0-
$3 umb_un_auth*0256273 $a endomembránový systém $X endomembrane system 606 0-
$3 umb_un_auth*0051558 $a vírusy $X viruses 615 $n 577 $a Biochémia. Molekulárna biológia. Biofyzika 675 $a 577 700 -1
$3 umb_un_auth*0255964 $a Vesteg $b Matej $f 1982- $9 34 $4 070 701 -0
$3 umb_un_auth*0031532 $a Krajčovič $b Juraj $4 070 $9 33 701 -1
$3 umb_un_auth*0132764 $a Ebringer $b Libor $4 070 $9 33 $f 1931-2015 856 9-
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Počet záznamov: 1