Evidence map›Paper›PMID 19454593›Full record

ReviewAnnals of botany2009

Re-interpreting the role of endo-beta-mannanases as mannan endotransglycosylase/hydrolases in the plant cell wall.

Roswitha Schröder, Ross G Atkinson, Robert J Redgwell

Open access · bronzeAbstract readReview
In one paragraph

Review in Annals of botany, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 52 papers.

0numbers the graph read from it
0cells of the map it votes in
52citing papers in PubMed
13.5field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

52 citing papers in PubMed, 148 citations in OpenAlex.

  1. Applied and environmental microbiology · 2026
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  14. Upgrading the Nutritional Value of PKC Using aMolecules (Basel, Switzerland) · 2022
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors at 2 institutions in 2 countries.

Roswitha SchröderThe New Zealand Institute for Plant and Food Research Limited, Mt. Albert Research Centre, Auckland, New Zealand. rschroeder@hortresearch.co.nz
Ross G Atkinson
Robert J Redgwell
Plant & Food Research · NZNestlé (Switzerland) · CH

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundMannans are hemicellulosic polysaccharides in the plant primary cell wall with two major physiological roles: as storage polysaccharides that provide energy for the growing seedling; and as structural components of the hemicellulose-cellulose network with a similar function to xyloglucans. Endo-beta-mannanases are hydrolytic enzymes that cleave the mannan backbone. They are active during seed germination and during processes of growth or senescence. The recent discovery that endo-beta-mannanase LeMAN4a from ripe tomato fruit also has mannan transglycosylase activity requires the role of endo-beta-mannanases to be reinterpreted.

aimsIn this review, the role of endo-beta-mannanases as mannan endotransglycosylase/hydrolases (MTHs) in remodelling the plant cell wall is considered by analogy to the role of xyloglucan endotransglucosylase/hydrolases (XTHs). The current understanding of the reaction mechanism of these enzymes, their three-dimensional protein structure, their substrates and their genes are reported. FUTURE OUTLOOK: There are likely to be more endohydrolases within the plant cell wall that can carry out hydrolysis and transglycosylation reactions. The challenge will be to demonstrate that the transglycosylation activities shown in vitro also exist in vivo and to validate a role for transglycosylation reactions during the growth and development of the plant cell wall.

Indexed as

beta-MannosidaseCell WallGlycosyltransferasesPhylogenyPlant Proteinsbeta-MannosidaseGlycosyltransferasesPlant Proteinsxyloglucan - xyloglucosyltransferase

Identifiers

PMID19454593
PMCPMC2710900
OpenAlexW2145383176

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.