Related Experiment Video
Updated: Jul 19, 2026
11:30
Quantitative Analysis of Aspergillus nidulans Growth Rate using Live Microscopy and Open-Source Software
Published on: July 24, 2021
Aspergillus niger genomics: past, present and into the future.
1Fungal Biotechnology Team, Pacific Northwest National Laboratory, Richland, Washington 99352, USA. scott.baker@pnl.gov
Medical Mycology
|October 20, 2006
Summary
Aspergillus niger, a fungus important in industry and medicine, has had its genome sequenced. This research aids in understanding its fermentation capabilities and pathogenic potential.
Area of Science:
- Microbiology
- Mycology
- Genomics
Background:
- Aspergillus niger is a common fungus found globally.
- It plays a dual role as an opportunistic human pathogen and a key industrial microorganism.
- A. niger is crucial for large-scale citric acid production, a highly efficient bioprocess.
Purpose of the Study:
- To detail the genome of Aspergillus niger.
- To leverage genomic data for advancements in industrial fermentation and understanding pathogenicity.
- To support basic and applied research through comprehensive genomic information.
Main Methods:
- Genome sequencing of Aspergillus niger.
- Analysis of genome size, estimated between 35.5 and 38.5 megabases.
- Characterization of eight chromosomes/linkage groups, ranging from 3.5-6.6 Mb.
Main Results:
- Multiple independent genome projects are underway for A. niger.
- The genome is divided into eight chromosomes/linkage groups.
- Detailed genomic data is becoming available for this economically significant fungus.
Conclusions:
- The extensive genomic data from A. niger will drive innovation in industrial biotechnology.
- Understanding the A. niger genome will enhance fermentation process development.
- Genomic insights will contribute to research on fungal morphology and pathogenicity.
Related Concept Videos
01:08Evolution of Microbial Genome
Microbial genome evolution is a highly dynamic process shaped by continual gene gain and loss across species and strains. This genomic flexibility allows microorganisms to adapt rapidly to environmental pressures and interactions with other organisms. Central to understanding this diversity is the distinction between the core and pan genomes.The core genome comprises the genes shared by all sampled strains of a species, representing essential functions needed for fundamental cellular processes.
03:00Next-generation Sequencing
The first human genome sequencing project cost $2.7 billion and was declared complete in 2003, after 15 years of international cooperation and collaboration between several research teams and funding agencies. Today, with the advent of next-generation sequencing technologies, the cost and time of sequencing a human genome have dropped over 100 fold.
Next-Generation Sequencing Methods
Although all next-generation methods use different technologies, they all share a set of standard features.
Next-Generation Sequencing Methods
Although all next-generation methods use different technologies, they all share a set of standard features.
02:02Genomics
Genomics is the science of genomes: it is the study of all the genetic material of an organism. In humans, the genome consists of information carried in 23 pairs of chromosomes in the nucleus, as well as mitochondrial DNA. In genomics, both coding and non-coding DNA is sequenced and analyzed. Genomics allows a better understanding of all living things, their evolution, and their diversity. It has a myriad of uses: for example, to build phylogenetic trees, to improve productivity and...
01:29Modern Molecular Taxonomy
Advancements in molecular biology have revolutionized the identification and characterization of bacteria, with multiple methods leveraging DNA sequencing for enhanced precision. As sequencing technologies improve and costs decline, these approaches are increasingly used in clinical, environmental, and evolutionary studies.Multilocus Sequence Typing (MLST) examines several housekeeping genes, essential chromosomal genes encoding cellular functions, to distinguish strains. Approximately...
03:21Genome Size and the Evolution of New Genes
While every living organism has a genome of some kind (be it RNA, or DNA), there is considerable variation in the sizes of these blueprints. One major factor that impacts genome size is whether the organism is prokaryotic or eukaryotic. In prokaryotes, the genome contains little to no non-coding sequence, such that genes are tightly clustered in groups or operons sequentially along the chromosome. Conversely, the genes in eukaryotes are punctuated by long stretches of non-coding sequence.
01:20The Central Dogma
The central dogma explains the flow of genetic information from DNA nucleotides to the amino acid sequence of proteins.
RNA is the Missing Link Between DNA and Proteins
In the early 1900s, scientists discovered that DNA stores all the information needed for cellular functions and that proteins perform most of these functions. However, the mechanisms of converting genetic information into functional proteins remained unknown for many years. Initially, it was believed that a single gene is...
RNA is the Missing Link Between DNA and Proteins
In the early 1900s, scientists discovered that DNA stores all the information needed for cellular functions and that proteins perform most of these functions. However, the mechanisms of converting genetic information into functional proteins remained unknown for many years. Initially, it was believed that a single gene is...