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Stromuling when stressed!

100%

Krenz B., Guo T. W., Kleinow T.

Acta Societatis Botanicorum Poloniae

2014

tom 83

nr 4

Stromules are stroma-filled tubules, extruding from the plastid and surrounded by both envelope membranes, but so far, stromules remain enigmatic structures and their function unknown. Stromules can interconnect plastids and have been found to associate with the nucleus, endoplasmic reticulum, Golgi complex, plasma membrane, mitochondria and peroxisomes. This minireview briefly summarizes markers to visualize stromules, inducers of stromules and provides new data about plant virus induced stromules.

Structural analyses of AC4 protein of Sri Lankan cassava mosaic virus

84%

Gupta S., Ganguli S., Basu P., Datta A.

International Letters of Natural Sciences

2015

tom 06

RNA silencing is one of the important phenomenon in plant defense mechanism, it actively protect host plants against viral infections. Existing viruses must have developed counter defense strategies to survive this arms race. Such counter defense strategy is the viral silencing suppressor (VSRs) which have been reported to directly interfere with the various steps leading to the interference of viral RNAs. Most identified VSRs are multifunctional, besides being RNA-silencing suppressors, they often perform essential roles by functioning as coat proteins, helper components for viral transmission, replicases and movement proteins, proteases or transcriptional regulators. One such identified VSR is AC4 of Sri Lankan cassava mosaic virus strain. Trivial knowledge about the structure –function relationship of this VSR leads to this work, where we focus on the structure generation by modelling to identify the mode of interactions with the various effector molecules of the silencing pathways. Structural analyses have been performed to screen interacting residues. Results indicate conserved structural features which signify propensity of functional interactions and further shows that this VSR can be a potent tool for the analysis of RNA silencing mechanisms and the relationships between different silencing pathways and VSRs.

Ograniczanie wyników

1 Acta Societatis Botanicorum Poloniae

1 International Letters of Natural Sciences

1 Basu P.

1 Datta A.

1 Ganguli S.

1 Guo T. W.

1 Gupta S.

1 Kleinow T.

1 Krenz B.

1 2015

1 2014

Wyniki wyszukiwania

Stromuling when stressed!

Structural analyses of AC4 protein of Sri Lankan cassava mosaic virus