FtsH4 | ATP-dependent zinc metalloprotease FtsH4 (mitochondrial)
AS07 205 | Clonality: Polyclonal | Host: Rabbit | Reactivity: Arabidopsis thaliana
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77 | 72 kDa
Total protein from Arabidopsis thaliana mitochondria (20 µg) were separated on 10% acrilamide gel and electrophoresis prepared according to Schägger and von Jagov (Anl. Biochem., 1987, 166:368-379). After running the gel, proteins were transferred to nitrocellulose membrane using wet transfer (0.22% CAPS, pH 11). Transfer was checked by Ponceau S staining. Blot was destained by several quick washings in distilled water and 1 washing in 1X TBS (10 mM T pH 7.5, 150 mM NaCl) (10-15 min.).Blot was blocked by 1.5 hour in 5% milk in TBST (1X TBS, 0,1 20) After blocking blot was washed quickly twice in TBST and incubated 2 hours with primary antibody (dilution 1: 1000 TBST (dilution 1:1000). Washing: two quick washings in TBST and 3 x 10 min. washings in TBST. Then blot was incubated 45-60 min. with a secondary anti-rabbit antibodies conjugated to peroxidase (dilution 1:10000) in TBST. Washing: as above. After washing blot was incubated 1-2 min. in chemiluminescent solution and exposed to Kodak autoradiography film. Exposure time was 15-60 seconds.
Mitochondria were isolated as described by Urantowka et al. (Plant Mol Biol, 2005, 59:239-52). Mitochondrial pellets were suspended in 1X Laemmli buffer (5% beta-mercaptoetanol, 3.7% glycerol, 1.1% SDS, 23 mM Tris-HCl pH 6.8, 0.01% bromophenol blue), heated (95ºC, 5 min.) and centrifuged (13000rpm, 1 min.).
Courtesy Dr. J. Piechota, University of Wrocław, Poland
One of the several classes of mitochondrial proteases is membrane bound, ATPdependent FtsH protease. Their function is very important for the control of protein quality and quantity by degradation of unassembled subunits. Synonyme: cell division protease ftsH homolog 4, mitochondrial
Dolzblasz et al. (2016). The mitochondrial protease AtFTSH4 safeguards Arabidopsis shoot apical meristem function. Sci Rep. 2016 Jun 20;6:28315. doi: 10.1038/srep28315.
Rurek et al. (2015). Biogenesis of mitochondria in cauliflower (Brassica oleracea var. botrytis) curds subjected to temperature stress and recovery involves regulation of the complexome, respiratory chain activity, organellar translation and ultrastructure. Biochim Biophys Acta. 2015 Jan 21. pii: S0005-2728(15)00016-X. doi: 10.1016/j.bbabio.2015.01.005.
Zhang et al. (2014). Perturbation of auxin homeostasis caused by mitochondrial FtSH4 gene-mediated peroxidase accumulation regulates Arabidopsis architechture. Mol Plant. 2014 Jan 30.
Kwasniak et al. (2013). Silencing of the Nuclear RPS10 Gene Encoding Mitochondrial Ribosomal Protein Alters Translation in Arabidiopsis Mitochondria. Plant Cell, May 30.