Synthetic Genomics, Inc.

Viridos, Inc.

Imad Ajjawi

Moena Aqui

Eric R Moellering

Leah Soriaga

John Verruto

Nicholas Bauman

Roberto Spreafico

Fedor I Kuzminov

Randor R Radakovits

Andrew Schultz

Saheed Imam

Kathleen Kwok

Shaun Bailey

Jennifer Nominati

William F Lambert

Sarah Potts

Carlos Chavez-Torres

Jessica Greiner

Disclosed herein are mutant photosynthetic microorganisms having an attenuated SGI1 gene. The mutants have reduced chlorophyll and increased productivity with respect to wild type cells. Also disclosed are methods of using such mutants for producing biomass or bioproducts, and methods of screening for such mutants.

High productivity algal mutants having reduced photosynthetic antenna

The present invention provides mutant microorganism that have higher lipid productivity than the wild type microorganisms from which they are derived while biomass at levels that are within approximately 50% of wild type biomass productivities under nitrogen replete conditions. Particular mutants produce at least twice as much FAME lipid as wild type while producing at least 75% of the biomass produced by wild type cells under nitrogen replete conditions. Also provided are methods of producing lipid using the mutant strains.

Microorganisms having increased lipid productivity

Mutant photosynthetic organisms having reduced chlorophyll and increased photosynthetic efficiency are provided. The mutant strains have mutated or attenuated: chloroplastic SRP54 gene and SGI1 gene; chloroplastic SRP54 gene and SGI2 gene; chloroplastic SRP54 gene, SGI1, and SGI2 genes are disclosed. The mutant photosynthetic organisms exhibit increased productivity with respect to wild-type strains. Also provided are mutant photosynthetic organisms having mutated or attenuated cytosolic SRP54 genes. Provided herein are methods of producing biomass and other products such as lipids using strains having mutations in an SRP54 gene, SGI1, SGI2 genes, a combination of SGI1/SRP54, and a combination of SGI2 and SRP54 genes. Also included are constructs and methods for attenuating or disrupting SRP54, SGI1, and SGI2 genes.

Genetic modulation of photosynthetic organisms for improved growth

The present invention provides mutant microorganisms having attenuated expression of a gene encoding a polypeptide that includes a TPR domain, wherein the mutant microorganisms have higher lipid productivity and/or exhibit increased partitioning of carbon to lipid as compared to wild type microorganisms from which they are derived. Also provided are methods of producing lipids using the mutant microorganisms, guide RNAs, and nucleic acid constructs used for producing mutant microorganisms.

Algal lipid productivity via genetic modification of a TPR domain containing protein

The present invention provides mutant microorganisms having attenuated expression of a gene encoding a polypeptide that includes a GAF domain wherein the mutant microorganisms have higher lipid productivity and/or exhibit increased partitioning of carbon to lipid as compared to wild-type microorganisms from which they are derived. Also provided are methods of producing lipids using the mutant microorganisms, guide RNAs, and nucleic acid constructs used for producing mutant microorganisms.

Algal lipid productivity via genetic modification of a signaling protein

Disclosed herein are mutant photosynthetic microorgnaisms having an attenuated SGI1 gene. The mutants have reduced chlorophyll and increased productivity with respect to wild type cells. Also disclosed are methods of using such mutants for producing biomass or bioproducts, and methods of screening for such mutants.

The present invention provides mutant microorganism that have higher lipid productivity than the wild type microorganisms from which they are derived while producing biomass at levels that are at least 45% of wild type biomass productivity under nitrogen replete conditions. Particular mutants produce at least 50% as much FAME lipid as wild type while producing at least the amount of biomass produced by wild type cells under nitrogen replete conditions. Also provided are methods of producing lipid using the mutant strains.

Algal mutants with increased lipid productivity

The application provides recombinant microorganisms with increased productivity with respect to control or wildtype microorganisms. The recombinant microorganisms can include a non-native gene encoding a SKP1 polypeptide or a CHORD-derived polypeptide. Increased productivity can be increased biomass or lipid productivity. These recombinant microorganisms can be used to produce products of interest.

Microorganisms engineered for increased productivity

The disclosure generally relates to methods and materials for modulating cell productivity. In particular, the present disclosure provides polynucleotides encoding transcription factor proteins that when overexpressed in microorganisms result in increased in productivity, such as increased biomass productivity. Also disclosed are methods of using the genetically engineered host strains to modulate or increase productivity of host cells such as, for example, algal or heterokont cells. Genetically engineered host cells, such as algal and heterokont cells having increased biomass productivity and bioproducts derived from such host cells are also disclosed.

Compositions and methods for modulating biomass productivity

The disclosure generally relates to methods and materials for modulating cell productivity. In particular, the present disclosure provides polynucleotides and polypeptides that when overexpressed in microorganisms result in increased in productivity, such as increased biomass productivity. Also disclosed are methods of using the polynucleotides and polypeptides to modulate or increase productivity of host cells such as, for example, algal or heterokont cells. Genetically engineered host cells, such as algal and heterokont cells having increased biomass productivity and bioproducts derived from such host cells are also disclosed.

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San Diego, CA, United States of America

Imad Ajjawi