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Differential expression of oil palm pathology genes during interactions with Ganoderma boninense and Trichoderma harzianum

Overview of attention for article published in Journal of Plant Physiology, February 2011
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Title
Differential expression of oil palm pathology genes during interactions with Ganoderma boninense and Trichoderma harzianum
Published in
Journal of Plant Physiology, February 2011
DOI 10.1016/j.jplph.2010.12.007
Pubmed ID
Authors

Fahimeh Alizadeh, Siti Nor Akmar Abdullah, Alireza Khodavandi, Faridah Abdullah, Umi Kalsom Yusuf, Pei Pei Chong

Abstract

The expression profiles of Δ9 stearoyl-acyl carrier protein desaturase (SAD1 and SAD2) and type 3 metallothionein (MT3-A and MT3-B) were investigated in seedlings of oil palm (Elaeis guineensis) artificially inoculated with the pathogenic fungus Ganoderma boninense and the symbiotic fungus Trichoderma harzianum. Expression of SAD1 and MT3-A in roots and SAD2 in leaves were significantly up-regulated in G. boninense inoculated seedlings at 21 d after treatment when physical symptoms had not yet appeared and thereafter decreased to basal levels when symptoms became visible. Our finding demonstrated that the SAD1 expression in leaves was significantly down-regulated to negligible levels at 42 and 63 d after treatment. The transcripts of MT3 genes were synthesized in G. boninense inoculated leaves at 42 d after treatment, and the analyses did not show detectable expression of these genes before 42 d after treatment. In T. harzianum inoculated seedlings, the expression levels of SAD1 and SAD2 increased gradually and were stronger in roots than leaves, while for MT3-A and MT3-B, the expression levels were induced in leaves at 3d after treatment and subsequently maintained at same levels until 63d after treatment. The MT3-A expression was significantly up-regulated in roots at 3d after treatment and thereafter were maintained at this level. Both SAD and MT3 expression were maintained at maximum levels or at levels higher than basal. This study demonstrates that oil palm was able to distinguish between pathogenic and symbiotic fungal interactions, thus resulting in different transcriptional activation profiles of SAD and MT3 genes. Increases in expression levels of SAD and MT3 would lead to enhanced resistance against G. boninense and down-regulation of genes confer potential for invasive growth of the pathogen. Differences in expression profiles of SAD and MT3 relate to plant resistance mechanisms while supporting growth enhancing effects of symbiotic T. harzianum.

Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 143 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Malaysia 4 3%
Indonesia 1 <1%
United States 1 <1%
Australia 1 <1%
Unknown 136 95%

Demographic breakdown

Readers by professional status Count As %
Researcher 32 22%
Student > Master 24 17%
Student > Ph. D. Student 20 14%
Student > Bachelor 18 13%
Student > Postgraduate 11 8%
Other 22 15%
Unknown 16 11%
Readers by discipline Count As %
Agricultural and Biological Sciences 80 56%
Biochemistry, Genetics and Molecular Biology 15 10%
Engineering 6 4%
Chemistry 4 3%
Environmental Science 4 3%
Other 17 12%
Unknown 17 12%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 07 September 2014.
All research outputs
#22,759,452
of 25,374,647 outputs
Outputs from Journal of Plant Physiology
#1,518
of 1,896 outputs
Outputs of similar age
#112,349
of 118,923 outputs
Outputs of similar age from Journal of Plant Physiology
#15
of 16 outputs
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So far Altmetric has tracked 1,896 research outputs from this source. They receive a mean Attention Score of 2.8. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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We're also able to compare this research output to 16 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.