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- Breeding of Ornamental Flower
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Drought Stress Tolerance Breeding
INQUIRYIntroductions
Drought is the phenomenon of water deficit in a plant when water consumption is greater than water uptake. Drought tolerance refers to the ability of plants to adapt to and tolerate water deficit over a long period of evolution. As a multidimensional stress, drought can cause a series of changes in plants from phenotypic, physiological, biochemical, and molecular levels. Severe drought can lead to the termination of photosynthesis and disruption of metabolism, eventually leading to plant death. For ornamental flowers, drought stress adversely affects plants' morphological, physiological, and biochemical characteristics. Currently, the main way to alleviate drought stress is to breed transgenic plants with drought-tolerant properties.
Lifeasible uses metabolomics, proteomics, genomics, transcriptomics, and other histological techniques to study the response of ornamental flowers to drought stress and is dedicated to developing drought-tolerant varieties using molecular breeding techniques.
How We Help
There are multiple regulatory genes associated with the induction of expression during drought stress. Based on the relationship between drought stress and quantitative trait loci in ornamental flowers provided by quantitative trait loci analysis, researchers identified a series of drought-responsive genes in ornamental flowers. We are committed to investigating the mechanisms of drought response in plants and using the identified drought tolerance genes to breed ornamental flower species with drought tolerance.
Figure 1. Effects of drought stress on ornamental flowers and the cultivation of drought-tolerant varieties.
What We Provide
Marker Assisted Drought Stress Tolerance Breeding
Drought resistance in ornamental flowers is a quantitative trait with a complex genetic mechanism. We can use molecular markers to construct a molecular genetic map of plants, localize the target gene, further clone the gene, and use the interlocking molecular markers to assist in the breeding of drought-tolerant varieties.
Polyploid Breeding of Drought-Tolerant Ornamental Flowers
Polyploid plants usually exhibit enhanced resistance to stress. Polyploid plants showed significantly up-regulated expression of relevant genes involved in osmoregulation, reactive oxygen species scavenging, and other pathways under drought stress, demonstrating greater cold tolerance. Therefore, we are dedicated to investigating the role of polyploid breeding in breeding cold-tolerant ornamental flower varieties.
Genomic Tools to Assist Breeding for Drought Tolerance
Drought stress response can be classified as drought avoidance, drought tolerance, and drought recovery. We can assist breeding by regulating individual genes, pathways or gene networks, and genomic structures related to drought tolerance based on genomic, proteomic, and metabolomic information of ornamental flowers under drought stress.
Mutation Breeding of Drought-Tolerant Ornamental Flowers
Mutation breeding is a common breeding strategy to breed plants with high stress resistance. We can provide high-throughput DNA technologies for mutation screening, such as Targeting Induced Local Lesions IN Genomes (TILLING) and high-resolution melting (HRM) analysis, to help our customers improve the efficiency of mutation breeding.
Lifeasible provides the most comprehensive and efficient solutions for breeding ornamental flowers. We are committed to helping our customers cultivate more ornamental flowers. We look forward to providing you with the most professional and efficient service to meet your individual needs. If you are interested in our services or have further questions, please do not hesitate to contact us.
Reference
- Borghi M, et al. Flowers and climate change: a metabolic perspective. New Phytol. 2019 Dec; 224(4): 1425-1441.
※ It should be noted that our service is only used for research.
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