| Title |
The relationship between the violet pigment PP-V production and intracellular ammonium level in Penicillium purpurogenum
|
|---|---|
| Published in |
AMB Express, July 2016
|
| DOI | 10.1186/s13568-016-0215-y |
| Pubmed ID | |
| Authors |
Ryo Kojima, Teppei Arai, Hiroshi Matsufuji, Takafumi Kasumi, Taisuke Watanabe, Jun Ogihara |
| Abstract |
Penicillium purpurogenum is the fungus that produces an azaphilone pigment. However, details about the pigment biosynthesis pathway are unknown. The violet pigment PP-V is the one of the main pigments biosynthesized by this fungus. This pigment contains an amino group in a pyran ring as its core structure. We focused on this pigment and examined the relationship between intracellular ammonium concentration and pigment production using glutamine as a nitrogen source. The intracellular ammonium level decreased about 1.5-fold in conditions favoring PP-V production. Moreover, P. purpurogenum was transferred to medium in which it commonly produces the related pigment PP-O after cultivating it in the presence or absence of glutamine to investigate whether this fungus biosynthesizes PP-V using surplus ammonium in cells. Only mycelia cultured in medium containing 10 mM glutamine produced the violet pigment, and simultaneously intracellular ammonium levels decreased under this condition. From comparisons of the amount of PP-V that was secreted with quantity of surplus intracellular ammonium, it is suggested that P. purpurogenum maintains ammonium homeostasis by excreting waste ammonium as PP-V. |
X Demographics
The data shown below were collected from the profile of 1 X user who shared this research output. Click here to find out more about how the information was compiled.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Unknown | 1 | 100% |
Demographic breakdown
| Type | Count | As % |
|---|---|---|
| Members of the public | 1 | 100% |
Mendeley readers
The data shown below were compiled from readership statistics for 35 Mendeley readers of this research output. Click here to see the associated Mendeley record.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Unknown | 35 | 100% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Student > Ph. D. Student | 9 | 26% |
| Researcher | 5 | 14% |
| Student > Master | 4 | 11% |
| Student > Bachelor | 3 | 9% |
| Student > Postgraduate | 2 | 6% |
| Other | 6 | 17% |
| Unknown | 6 | 17% |
| Readers by discipline | Count | As % |
|---|---|---|
| Agricultural and Biological Sciences | 8 | 23% |
| Chemistry | 5 | 14% |
| Biochemistry, Genetics and Molecular Biology | 5 | 14% |
| Chemical Engineering | 2 | 6% |
| Engineering | 2 | 6% |
| Other | 6 | 17% |
| Unknown | 7 | 20% |
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 02 July 2016.
All research outputs
#20,892,149
of 23,520,142 outputs
Outputs from AMB Express
#978
of 1,253 outputs
Outputs of similar age
#306,325
of 352,896 outputs
Outputs of similar age from AMB Express
#18
of 18 outputs
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