Juggling jobs: roles and mechanisms of multifunctional protease inhibitors in plants

Summary I. Introduction II. Three types of multifunctionality III. Significance of multifunctional protease inhibitors in the plant research arena Acknowledgements References Summary: Multifunctional protease inhibitors juggle jobs by targeting different enzymes and thereby often controlling more th...

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Main Authors: Grosse-Holz, F, van der Hoorn, R
Format: Journal article
Published: Wiley 2016
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author Grosse-Holz, F
van der Hoorn, R
author_facet Grosse-Holz, F
van der Hoorn, R
author_sort Grosse-Holz, F
collection OXFORD
description Summary I. Introduction II. Three types of multifunctionality III. Significance of multifunctional protease inhibitors in the plant research arena Acknowledgements References Summary: Multifunctional protease inhibitors juggle jobs by targeting different enzymes and thereby often controlling more than one biological process. Here, we discuss the biological functions, mechanisms and evolution of three types of multifunctional protease inhibitors in plants. The first type is double-headed inhibitors, which feature two inhibitory sites targeting proteases with different specificities (e.g. Bowman-Birk inhibitors) or even different hydrolases (e.g. α-amylase/protease inhibitors preventing both early germination and seed predation). The second type consists of multidomain inhibitors which evolved by intragenic duplication and are released by processing (e.g. multicystatins and potato inhibitor II, implicated in tuber dormancy and defence, respectively). The third type consists of promiscuous inhibitory folds which resemble mouse traps that can inhibit different proteases cleaving the bait they offer (e.g. serpins, regulating cell death, and α-macroglobulins). Understanding how multifunctional inhibitors juggle biological jobs increases our knowledge of the connections between the networks they regulate. These examples show that multifunctionality evolved independently from a remarkable diversity of molecular mechanisms that can be exploited for crop improvement and provide concepts for protein design.
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spelling oxford-uuid:1e308279-a883-4fb5-935b-7a66fb4df6d82022-03-26T11:14:58ZJuggling jobs: roles and mechanisms of multifunctional protease inhibitors in plantsJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:1e308279-a883-4fb5-935b-7a66fb4df6d8Symplectic Elements at OxfordWiley2016Grosse-Holz, Fvan der Hoorn, RSummary I. Introduction II. Three types of multifunctionality III. Significance of multifunctional protease inhibitors in the plant research arena Acknowledgements References Summary: Multifunctional protease inhibitors juggle jobs by targeting different enzymes and thereby often controlling more than one biological process. Here, we discuss the biological functions, mechanisms and evolution of three types of multifunctional protease inhibitors in plants. The first type is double-headed inhibitors, which feature two inhibitory sites targeting proteases with different specificities (e.g. Bowman-Birk inhibitors) or even different hydrolases (e.g. α-amylase/protease inhibitors preventing both early germination and seed predation). The second type consists of multidomain inhibitors which evolved by intragenic duplication and are released by processing (e.g. multicystatins and potato inhibitor II, implicated in tuber dormancy and defence, respectively). The third type consists of promiscuous inhibitory folds which resemble mouse traps that can inhibit different proteases cleaving the bait they offer (e.g. serpins, regulating cell death, and α-macroglobulins). Understanding how multifunctional inhibitors juggle biological jobs increases our knowledge of the connections between the networks they regulate. These examples show that multifunctionality evolved independently from a remarkable diversity of molecular mechanisms that can be exploited for crop improvement and provide concepts for protein design.
spellingShingle Grosse-Holz, F
van der Hoorn, R
Juggling jobs: roles and mechanisms of multifunctional protease inhibitors in plants
title Juggling jobs: roles and mechanisms of multifunctional protease inhibitors in plants
title_full Juggling jobs: roles and mechanisms of multifunctional protease inhibitors in plants
title_fullStr Juggling jobs: roles and mechanisms of multifunctional protease inhibitors in plants
title_full_unstemmed Juggling jobs: roles and mechanisms of multifunctional protease inhibitors in plants
title_short Juggling jobs: roles and mechanisms of multifunctional protease inhibitors in plants
title_sort juggling jobs roles and mechanisms of multifunctional protease inhibitors in plants
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AT vanderhoornr jugglingjobsrolesandmechanismsofmultifunctionalproteaseinhibitorsinplants