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| Status |
Public on May 02, 2020 |
| Title |
Identification of AflR binding sites in the genome of Aspergillus flavus by ChIP-seq |
| Organism |
Aspergillus flavus |
| Experiment type |
Genome binding/occupancy profiling by high throughput sequencing
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| Summary |
We report here the AflR binding motif of Aspergillus flavus for the first time with the aid of ChIP-seq analysis. Of the 540 peak sequences associated with AflR binding events, 66.8% were located within 2 kb upstream (promoter region) of translational start sites. The identified 18-bp binding motif was a perfect palindromic sequence, 5′-CSSGGGWTCGAWCCCSSG’3′ with S representing G or C and W representing A or T. On closer examination, we hypothesized that the 18-bp motif sequence identified contained two identical parts (here called motif A and motif B). Motif A was in positions 8–18 on the upper strand, while motif B was in positions 11-1 on the bottom strand. The inferred length and sequence of the putative motif identified in A. flavus were similar to previous findings in A. parasiticus and A. nidulans. Gene ontology analysis indicated that AflR bound to other genes outside the aflatoxin biosynthetic gene cluster.
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| Overall design |
Examination of AflR binding sites in A. flavus (three replicates)
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| Contributor(s) |
Kong Q, Shan S |
| Citation(s) |
32326370 |
| |
| Submission date |
May 01, 2020 |
| Last update date |
Jul 13, 2020 |
| Contact name |
Qing Kong |
| E-mail(s) |
kongqing@ouc.edu.cn
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| Phone |
+86 13573865136
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| Organization name |
Ocean University of China
|
| Department |
Food Science and Engineering
|
| Street address |
Yushan Road 5
|
| City |
Qingdao |
| State/province |
Shandong |
| ZIP/Postal code |
266003 |
| Country |
China |
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| Platforms (1) |
| GPL23153 |
Illumina HiSeq 2500 (Aspergillus flavus) |
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| Samples (2) |
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| Relations |
| BioProject |
PRJNA629764 |
| SRA |
SRP264985 |
