Temperature-sensitive sporulation caused by a mutation in the Bacillus subtilis secY gene. 1993

H Yoshikawa, and S M Jeong, and A Hirata, and F Kawamura, and R H Doi, and H Takahashi
Institute of Molecular and Cellular Biosciences, University of Tokyo, Japan.

A thermosensitive sporulation mutant of Bacillus subtilis containing a mutation in the secY gene was isolated and characterized. No asymmetric septum specific to the sporulation was detected by electron microscopy at the nonpermissive temperature, indicating that the block occurred at a very early stage of sporulation. Furthermore, competence development in the mutant cell was affected even at the sporulation-proficient temperature. It is assumed that the SecY protein of B. subtilis has multiple roles both in the regulation of spore formation and in stationary-phase-associated phenomena.

UI MeSH Term Description Entries
D009024 Morphogenesis The development of anatomical structures to create the form of a single- or multi-cell organism. Morphogenesis provides form changes of a part, parts, or the whole organism.
D006358 Hot Temperature Presence of warmth or heat or a temperature notably higher than an accustomed norm. Heat,Hot Temperatures,Temperature, Hot,Temperatures, Hot
D000069816 SEC Translocation Channels Universally conserved multiprotein complexes that form the protein transport channel of the general secretory (SEC) pathway. The SEC translocase is present in all bacteria, archaea, and eukaryotes. It is in the ENDOPLASMIC RETICULUM membrane of eukaryotic cells, in the THYLAKOID MEMBRANE in CHLOROPLASTS and in some protozoa in the INNER MITOCHONDRIAL MEMBRANE. SEC Translocation Channel,SEC Translocon,SEC61 Translocation Channel,Sec Protein Translocation System,SecYEG Protein,SecYEG Translocation Channel,SEC Complexes,SEC Translocase,SEC Translocons,SEC61 Protein,SEC61 Proteins,SEC61 Translocase,SEC61 Translocation Channels,SEC61 Translocon,Sec Protein Translocation Systems,Sec61 Complex,Sec61 Protein Translocation System,SecY Translocase,SecYEG Complex,SecYEG Complexes,SecYEG Protein Translocation System,SecYEG Proteins,SecYEG Translocation Channels,SecYEG Translocon,Channel, SEC Translocation,Channel, SEC61 Translocation,Channel, SecYEG Translocation,Channels, SEC Translocation,Channels, SEC61 Translocation,Channels, SecYEG Translocation,Complex, Sec61,Complex, SecYEG,Complexes, SEC,Complexes, SecYEG,Protein, SEC61,Protein, SecYEG,Proteins, SEC61,Proteins, SecYEG,Translocase, SEC,Translocase, SEC61,Translocase, SecY,Translocation Channel, SEC,Translocation Channel, SEC61,Translocation Channel, SecYEG,Translocation Channels, SEC,Translocation Channels, SEC61,Translocation Channels, SecYEG,Translocon, SEC,Translocon, SEC61,Translocon, SecYEG,Translocons, SEC
D001412 Bacillus subtilis A species of gram-positive bacteria that is a common soil and water saprophyte. Natto Bacteria,Bacillus subtilis (natto),Bacillus subtilis subsp. natto,Bacillus subtilis var. natto
D001426 Bacterial Proteins Proteins found in any species of bacterium. Bacterial Gene Products,Bacterial Gene Proteins,Gene Products, Bacterial,Bacterial Gene Product,Bacterial Gene Protein,Bacterial Protein,Gene Product, Bacterial,Gene Protein, Bacterial,Gene Proteins, Bacterial,Protein, Bacterial,Proteins, Bacterial
D012333 RNA, Messenger RNA sequences that serve as templates for protein synthesis. Bacterial mRNAs are generally primary transcripts in that they do not require post-transcriptional processing. Eukaryotic mRNA is synthesized in the nucleus and must be exported to the cytoplasm for translation. Most eukaryotic mRNAs have a sequence of polyadenylic acid at the 3' end, referred to as the poly(A) tail. The function of this tail is not known for certain, but it may play a role in the export of mature mRNA from the nucleus as well as in helping stabilize some mRNA molecules by retarding their degradation in the cytoplasm. Messenger RNA,Messenger RNA, Polyadenylated,Poly(A) Tail,Poly(A)+ RNA,Poly(A)+ mRNA,RNA, Messenger, Polyadenylated,RNA, Polyadenylated,mRNA,mRNA, Non-Polyadenylated,mRNA, Polyadenylated,Non-Polyadenylated mRNA,Poly(A) RNA,Polyadenylated mRNA,Non Polyadenylated mRNA,Polyadenylated Messenger RNA,Polyadenylated RNA,RNA, Polyadenylated Messenger,mRNA, Non Polyadenylated
D013171 Spores, Bacterial Heat and stain resistant, metabolically inactive bodies formed within the vegetative cells of bacteria of the genera Bacillus and Clostridium. Bacterial Spores,Bacterial Spore,Spore, Bacterial
D014157 Transcription Factors Endogenous substances, usually proteins, which are effective in the initiation, stimulation, or termination of the genetic transcription process. Transcription Factor,Factor, Transcription,Factors, Transcription
D014158 Transcription, Genetic The biosynthesis of RNA carried out on a template of DNA. The biosynthesis of DNA from an RNA template is called REVERSE TRANSCRIPTION. Genetic Transcription
D029968 Escherichia coli Proteins Proteins obtained from ESCHERICHIA COLI. E coli Proteins

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