Spatial and temporal accumulation of mRNAs encoding two common lignin peroxidases in Phanerochaete chrysosporium. 1993

S M Moukha, and H A Wösten, and E J Mylius, and M Asther, and J G Wessels
Laboratoire de Biotechnologie des Champignons Filamenteux, Faculté des Sciences de Luminy, Parc Scientifique et Technologique, Marseille, France.

Accumulation of peroxidases and their mRNAs was localized in colonies of Phanerochaete chrysosporium sandwiched between perforated polycarbonate membranes. Northern (RNA) blot analyses of colonial rings and in situ hybridizations with specific probes for manganese(II)-dependent peroxidase (MnP-1) and lignin peroxidase (LiP H8) mRNAs indicated that the expression of MnP-1 and Lip H8 genes started simultaneously in the central area of 3-day-old colonies. With time the signals for both transcripts spread to more-peripheral areas while decreasing in intensity. Furthermore, the appearance of MnP protein, as detected with specific immune serum, immediately followed accumulation of the MnP-1 mRNA transcript. However, LiP protein could be detected only some time after accumulation of LiP H8 mRNA.

UI MeSH Term Description Entries
D010544 Peroxidases Ovoperoxidase
D002451 Cell Compartmentation A partitioning within cells due to the selectively permeable membranes which enclose each of the separate parts, e.g., mitochondria, lysosomes, etc. Cell Compartmentations,Compartmentation, Cell,Compartmentations, Cell
D005658 Fungi A kingdom of eukaryotic, heterotrophic organisms that live parasitically as saprobes, including MUSHROOMS; YEASTS; smuts, molds, etc. They reproduce either sexually or asexually, and have life cycles that range from simple to complex. Filamentous fungi, commonly known as molds, refer to those that grow as multicellular colonies. Fungi, Filamentous,Molds,Filamentous Fungi,Filamentous Fungus,Fungus,Fungus, Filamentous,Mold
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
D013997 Time Factors Elements of limited time intervals, contributing to particular results or situations. Time Series,Factor, Time,Time Factor

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