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Zapros Beta galaktozidaza perenapravlyaetsya syuda Na etu temu nuzhno sozdat otdelnuyu statyu Laktaza LCT eto ferment iz semejstva b galaktozidaz laktaza gidrolizuet glikozidnye svyazi i prinimaet uchastie v gidrolize disaharida laktozy V rezultate gidroliza odnoj molekuly laktozy obrazuetsya molekula galaktozy i glyukozy U cheloveka laktaza v osnovnom ekspressiruetsya v enterocitah kishechnika i raspolagaetsya na plazmaticheskih membranah differencirovannyh enterocitov tonkoj kishki LaktazaOboznacheniyaSimvoly LCT LAC LPH LPH13938HGNC 6530OMIM 603202RefSeq NM 002299UniProt P09848Drugie dannyeShifr KF 3 2 1 108Lokus 2 ya hr 2q21Informaciya v Vikidannyh Laktaza neobhodima dlya gidroliza disaharida laktozy soderzhashegosya v moloke Nedostatochnost laktazy privodit k neperenosimosti laktozy angl ili vospriimchivost laktozy eto prodolzhayushayasya aktivnost fermenta laktazy vo vzroslom vozraste U zapadnosahelskih skotovodov allel 13910 T yavlyaetsya samym starym sredi etih variantov persistencii laktazy kotoryj voznik gde to mezhdu Centralnoj Evropoj i Severnymi Balkanami primerno 7 5 tys let nazad Optimalnaya temperatura dlya raboty laktazy 37 C i optimalnoe znachenie pH 6 Primenenie v promyshlennostiReakciya osushestvlyaemaya pri uchastii laktazy Laktazu poluchayut ekstrakciej iz drozhzhej i a takzhe iz gribov Aspergillus niger i Aspergillus oryzae Laktazu ispolzuyut dlya rasshepleniya sahara laktozy soderzhashegosya v moloke dlya polucheniya moloka kotoroe mogut upotreblyat lyudi s neperenosimostyu laktozy Odnako U S Food and Drug Administration FDA ne dala oficialnogo zaklyucheniya otnositelno bezopasnosti primeneniya laktazy poluchennoj iz gribov roda Aspergillus Laktazu takzhe ispolzuyut pri proizvodstve morozhenogo tak kak glyukoza i galaktoza slashe chem laktoza produkt poluchayushijsya pri gidrolize laktozy obladaet bolee sladkim vkusom Laktazu takzhe primenyayut pri pererabotke molochnoj produkcii Laktazu ispolzuyut dlya vydeleniya svetlo sinih kolonij soderzhashih plazmidu MCS ili drugie plazmidy v kulturah Escherichia coli i drugih bakterij PrimechaniyaEdita Priedhodova et al Sahelian pastoralism from the perspective of variants associated with lactase persistence ot 26 dekabrya 2021 na Wayback Machine Am J Phys Anthropol 2020 Nov 173 3 423 436 ResearchGate ot 26 dekabrya 2021 na Wayback Machine August 2020 Hermida C Corrales G Canada F J Aragon J J Fernandez Mayoralas A Optimizing the enzymatic synthesis of beta D galactopyranosyl D xyloses for their use in the evaluation of lactase activity in vivo angl angl journal 2007 July vol 15 no 14 P 4836 4840 doi 10 1016 j bmc 2007 04 067 PMID 17512743 Skovbjerg H Sjostrom H Noren O Purification and characterisation of amphiphilic lactase phlorizin hydrolase from human small intestine angl angl journal 1981 March vol 114 no 3 P 653 661 doi 10 1111 j 1432 1033 1981 tb05193 x PMID 6786877 Seyis I Aksoz N Production of lactase by Trichoderma sp Food Technol Biotechnol 2004 42 121 124 Free text ot 10 iyunya 2007 na Wayback Machine Tarantino LM Agency Response Letter GRAS Notice No GRN 000132 neopr U S Food and Drug Administration 3 dekabrya 2003 Data obrasheniya 21 sentyabrya 2009 Arhivirovano 2 aprelya 2012 goda Under construction neopr Data obrasheniya 10 iyunya 2009 19 oktyabrya 2008 goda SsylkiFerment laktaza b galaktozidaza E coli PDB 1JYY Nedavnyaya evolyuciya vospriimchivosti k laktoze Geny laktazyEto zagotovka stati po biohimii Pomogite Vikipedii dopolniv eyo
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