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| Title |
Comparison of green and albino individuals of the partially mycoheterotrophic orchid Epipactis helleborine on molecular identities of mycorrhizal fungi, nutritional modes and gene expression in mycorrhizal roots
|
|---|---|
| Published in |
Molecular Ecology, February 2017
|
| DOI | 10.1111/mec.14021 |
| Pubmed ID | |
| Authors |
Kenji Suetsugu, Masahide Yamato, Chihiro Miura, Katsushi Yamaguchi, Kazuya Takahashi, Yoshiko Ida, Shuji Shigenobu, Hironori Kaminaka |
| Abstract |
Some green orchids obtain carbon from their mycorrhizal fungi, as well as from photosynthesis. These partially mycoheterotrophic orchids sometimes produce fully achlorophyllous, leaf-bearing (albino) variants. Comparing green and albino individuals of these orchids will help to uncover the molecular mechanisms associated with mycoheterotrophy. We compared green and albino Epipactis helleborine by molecular barcoding of mycorrhizal fungi, nutrient sources based on (15) N and (13) C abundances, and gene expression in their mycorrhizae by RNA-seq and cDNA de novo assembly. Molecular identification of mycorrhizal fungi showed that green and albino E. helleborine harbored similar mycobionts, mainly Wilcoxina. Stable isotope analyses indicated that albino E. helleborine plants were fully mycoheterotrophic, whereas green individuals were partially mycoheterotrophic. Gene expression analyses showed that genes involved in antioxidant metabolism were up-regulated in the albino variants, which indicates that these plants experience greater oxidative stress than the green variants, possibly due to a more frequent lysis of intracellular pelotons. It was also found that some genes involved in the transport of some metabolites, including carbon sources from plant to fungus, is higher in albino than in green variants. This result may indicate a bidirectional carbon flow even in the mycoheterotrophic symbiosis. The genes related to mycorrhizal symbiosis in autotrophic orchids and arbuscular mycorrhizal plants were also up-regulated in the albino variants, indicating the existence of common molecular mechanisms among the different mycorrhizal types. This article is protected by copyright. All rights reserved. |
X Demographics
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Japan | 7 | 15% |
| Timor-Leste | 1 | 2% |
| Unknown | 38 | 83% |
Demographic breakdown
| Type | Count | As % |
|---|---|---|
| Members of the public | 43 | 93% |
| Scientists | 3 | 7% |
Mendeley readers
The data shown below were compiled from readership statistics for 74 Mendeley readers of this research output. Click here to see the associated Mendeley record.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| United States | 1 | 1% |
| Unknown | 73 | 99% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Student > Bachelor | 13 | 18% |
| Researcher | 13 | 18% |
| Student > Master | 12 | 16% |
| Student > Ph. D. Student | 12 | 16% |
| Professor | 3 | 4% |
| Other | 4 | 5% |
| Unknown | 17 | 23% |
| Readers by discipline | Count | As % |
|---|---|---|
| Agricultural and Biological Sciences | 37 | 50% |
| Biochemistry, Genetics and Molecular Biology | 13 | 18% |
| Environmental Science | 4 | 5% |
| Immunology and Microbiology | 1 | 1% |
| Sports and Recreations | 1 | 1% |
| Other | 2 | 3% |
| Unknown | 16 | 22% |
Attention Score in Context
This research output has an Altmetric Attention Score of 63. 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 29 May 2022.
All research outputs
#722,009
of 26,527,568 outputs
Outputs from Molecular Ecology
#201
of 6,879 outputs
Outputs of similar age
#15,053
of 431,551 outputs
Outputs of similar age from Molecular Ecology
#3
of 137 outputs
Altmetric has tracked 26,527,568 research outputs across all sources so far. Compared to these this one has done particularly well and is in the 97th percentile: it's in the top 5% of all research outputs ever tracked by Altmetric.
So far Altmetric has tracked 6,879 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 11.9. This one has done particularly well, scoring higher than 97% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 431,551 tracked outputs that were published within six weeks on either side of this one in any source. This one has done particularly well, scoring higher than 96% of its contemporaries.
We're also able to compare this research output to 137 others from the same source and published within six weeks on either side of this one. This one has done particularly well, scoring higher than 97% of its contemporaries.