obj. 1 trait and market segment breeding target establishment
DESCRIPTION
OBJ. 1 TRAIT AND MARKET SEGMENT BREEDING TARGET ESTABLISHMENT Year 3 Deliverables, Challenges, Year 4 Goals. Goal. Help accelerate and increase efficiency of cultivar development and adoption by identifying valuable breeding trait targets . - PowerPoint PPT PresentationTRANSCRIPT
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OBJ. 1TRAIT AND MARKET SEGMENT
BREEDING TARGET ESTABLISHMENT
Year 3 Deliverables, Challenges,Year 4 Goals
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RosBREED
• Objectively identify important breeding trait targets
• Prioritize the most valuable target trait loci for the development of DNA diagnostic tools
Help accelerate and increase efficiency of cultivar development and adoption by identifying valuable
breeding trait targets
Goal
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RosBREEDTrait Values
Breeder survey 2010
Producer survey Fall 2011/
Winter 2012
Market Intermediary
survey Spring 2011
Household data analysis 2010;
consumer survey 2012
What trait is my next breeding
target?
We like disease resistant apple
trees!
I like tasty strawberries!
We like firm tart cherries that pit well!
Processors
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What• Grower and market intermediary survey data –
relative values of fruit quality and production traits were obtained
To whom• U.S. Rosaceae industry & breeders
Year 3 Deliverables
Impact• Trait values obtained are being used
to prioritize traits for development of DNA diagnostic tools
RosBREED
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What• Consumer’s preferences and
values for targeted fruit quality attributes – elicited
To whom• U.S. Rosaceae industry & breeders
Year 3 Deliverables
RosBREED
Impact• Trait values obtained will be used by breeders to
assign trait priorities; industry sectors have knowledge of relative consumer values
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Elements in the choice experiment scenarios not absolutely clear (e.g. individual interpretations of flavor and sweetness) use a consensus approach to interpret the data
Logistical challenges in providing apple samples that met criteria for the consumer auction experiment help from the WTFRC(demonstration after lunch!)
Challenges and plans for tackling
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What• Trait priorities for market intermediaries, growers, and
consumers of apples - analyzed, interpreted, and communicated
To whom• MAB Team and Rosaceae community
Year 4 Deliverables
• DNA diagnostic tools will be developed for the most valuable fruit target trait loci, thereby increasing breeding efficiency for high priority traits
Impact intended
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Year 4 Deliverables
• Awareness of marker-assisted breeding by industry sectors will be increased through their participation in this prioritization process and from disseminated summaries
• Breeder’s knowledge of trait priorities, along with availability of DNA diagnostic tools, will result in increased likelihood of cultivar release, adoption, enlarged market potential and increased consumption.
Impact intended
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OBJ. 2GENOME SCANS AND
COMPARATIVE GENOMICS
Year 3 Deliverables, Challenges, Year 4 Goals
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• Genome-wide genotyping platforms for apple, peach, cherry, and strawberry – develop and utilize
• Comparative genomics to accelerate identification and validation of Jewels in the Genome
Goal
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• Genome-scanning SNP arrays developed and utilized for apple (9K), peach (9K) and cherry (6K) by international RosBREED-led efforts
Year 3 DeliverablesWhat
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To whom• Rosaceae scientific community
Year 3 Deliverables
Impact• These cost effective commercially available genome
scan platforms are not only enabling RosBREED outcomes, but they are and will continue to enable the generation of new knowledge by the international Rosaceae community
RosBREED
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What• Genome-wide genetic data obtained for plant material
(peach, cherry, and apple completed)
To whom• Rosaceae scientific community
Year 3 Deliverables
Impact• Analysis of this dataset, combined with pedigree and
phenotypic datasets is enabling the identification and validation of Jewels for use in breeding
RosBREED
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What• Strawberry genome scan strategy (Affymetrix 90K
Axiom® chip) developed by a RosBREED-led international consortium (W309, PAG XXI)
Year 3 Deliverables
To whom• RosBREED Strawberry Team
Impact• Genotypic data obtained will enable discovery of
new trait loci and their validation for conversion into jewels for use in breeding
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Ensure accessibility of Genomics, Genetics, and Breeding Data – database infrastructure and capacity
• Develop a flexible modular structure, submit short read sequences to NCBI
Suitability of the SNP genotyping algorithm to analyze the strawberry SNP array
• a two-phase strategy is in place to permit initial testing of the array using the genotyping algorithm
Challenges and plans for tackling
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What• Strawberry 90K Axiom® SNP chip evaluated and
utilized to genotype strawberry breeding materials – goal is a minimum of 4000 robust SNP markers
To whom• International strawberry research community
Year 4 Deliverables
Impact intended• Genome-scan capability for octoploid strawberry
enables Jewel discovery
RosBREED
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What• Dissemination of genomics, genetic, and breeding
data through GDR
To whom• Rosaceae research community
Impact intended• Efficient sustained access to genetics, genomics, and
breeding data will enable the use of this knowledge for practical applications and for future discoveries
Year 4 Deliverables
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OBJ. 3PEDIGREE-BASED
BREEDING INFORMATION MANAGEMENT SYSTEM
Year 3 Deliverables, Challenges, Year 4 Goals
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RosBREED
Develop, deliver, and implement software that leverages genomics and phenotypic trait information to maximize breeding efficiency
Goal
Involves:Software teams (Pedigree-Based Analysis [PBA],Breeding Information Management System [BIM System])and all crop breeding teams that provide, collect,and use the data for finding and validating QTLs
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What
To whom
Year 3 Deliverables (PBA)
Impact
• New software capable of doing the full range of necessary statistical analysis to include identification and validation of marker-locus-trait associations
• Demonstration breeders and trainees
Information requiredPedigree
+Genotypic
+Phenotypic
PBA analysesDiscovery of trait loci,
validation of associated markers
+Role in the bracelet impact & coherence
ImpactJewels
available for
breeding
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What
To whom
Impact
• Improved user-friendliness • 10-fold reduction of computation time for massive data sets• New functionality: building SNP haplotype blocks• Software to build integrated genetic maps across multiple
mapping populations
• Demonstration breeders & trainees, allied scientists
• Eased discovery of trait loci• Eased quantification of allele effects
Year 3 Deliverables (PBA)
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What
To whom
Impact
• Familiarity with software & concepts−Training through a 2.5 day workshop− Individual consulting with MSU-based postdoc
• Demonstration breeders and trainees, allied scientists
• Basic understanding on concepts project-wide• Students are conducting PBA analyses on RB data
Year 3 Deliverables (PBA)
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RosBREED
Challenges and plans for tackling (PBA)
• PBA software development - Ease of access to FlexQTL output Generation of a user-friendly interface
• PBA use by breeders – consulting - Awareness of need for scrutinizing pedigree and marker data prior to in-depth QTL characterization
- Finalize analyses and interpretation into application-ready deliverables
2-day workshop (May 2013), online meetings, one-on-one
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What
To whom
Year 4 Deliverables (PBA)
Impact intended
• New software modules and functionalities• Training, consultations
• Demonstration breeders & trainees, allied scientists
• PBA software better adjusted to massive data sets• PBA-experienced trainees & breeders• Scrutinized pedigree & marker datasets• Discovery of new trait loci and polishing of new jewels
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What To
Year 3 Deliverables (BIM System)
Impact
Breeding Programs able to enter PBA
information and own breeding data
Demo Breeders
and Trainees
Templates for breeding
databases compatible with PBA software:
Developed
Breeding Databases – parentage information, phenotypic data, performance at multiple locations,
genetic data
RosBREED
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What ToYear 3 Deliverables (BIM System)
ImpactUnderstand
capability; ability to plan crosses with Cross Assist and
other MAB applications
Demo Breeders
and Trainees
Database and Capabilities:
Delivered during RBIV and through
program visits
Computer demo:BIM System
Which parents have the jewels?
Which combinations to create?
Which seedlings have the jewels?
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• Diversity of Breeder’s own program needs and desires: assess capacities of BIM System Team to fulfill as many priorities as possible
• Complexity, Enormity: break into workable chunks and communicate through web and file sharing
• Gaining breeder’s understanding: present at RosBREED IV Annual Project Meeting, web tutorials, live demonstrations
Challenges and plans for tackling (BIM System)
RosBREED
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What• All BIM System software modules combined in a
single connected system for conducting MAB
To whom• Breeders & allied scientists
Year 4 Deliverables (BIM System)
Impact intended• Streamlined MAB Pipelining to choose, validate, and
quantify utility of Jewels for integration into routine breeding operations
RosBREED
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What• BIM System use training: tutorials, web-based
instruction, and in-person training provided
To whom• Breeders & allied scientists
Year 4 Deliverables (BIM System)
Impact intended• Breeders and their supporting scientists are able to
use the BIM System to enable the breeding use of DNA information
RosBREED
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• Find “shiny rocks”, polish them into Jewels
Goal (Demonstration Breeding Programs)
RosBREED
Jewel
Mining Co
• Use Jewels to make breeding programs more efficient
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What• Phenotypic data for apple, peach, cherry, strawberry
reference germplasm from 2010 - 2012quality-checked and archived
To whom• BIM System Team (for databasing)• PBA Team & back to Breeding Team
Year 3 Deliverables
Impact• Ability to discover
and validate Jewels in breeding germplasm
Phenotypic Data from 2010 - 2012 Seasons>587,000 phenotypic observations
Crop No. Locations
No. Traits No. Observations
Strawberry 5 35 190,000Peach 4 25 94,000Apple 3 135 251,000Sweet Cherry 1 23 34,000Tart Cherry 1 35 18,000
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What• New trait loci (shiny rocks) discovered for apple,
peach, and cherry by using PBA software, with genome-scan and multi-year phenotypic data on breeding-representative germplasm
To whom• MAB Pipeline Team and breeders
Year 3 Deliverables
RosBREED
Impact• New trait loci discovered, available for “polishing”
in the MAB Pipeline
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What• Genetic data from DNA markers for three strawberry
Jewels was used to verify & correct parentage in the RosBREED strawberry germplasm
To whom• Strawberry breeders
Year 3 Deliverables
RosBREED
Impact• Correct parentage information, when combined with
genetic and phenotypic data, will enable the validation of jewels in U.S. strawberry germplasm
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Challenges and plans for tackling
RosBREED
Confounded germplasm and locations effects in apple and peach Develop relationship matrices to correct for location
Finding reliable commercial labs to routinely run markers in timely fashion for breeders Test other labs to find timely,
accurate and cost-effective options
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What• Location and genotype x location effects estimated for
traits phenotyped in strawberry reference set (n=960)To whom
• Strawberry breeders
Year 4 Deliverables
RosBREED
Impact• Location bias removed for more precise estimation of
Jewel effects • Strawberry breeders can identify elite germplasm for
their individual programs that will perform well in their target regions
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What• Work with Genotyping Team to test DNA diagnostics
commercial vendors – plant materials chosen, sent and results reviewed
To whom• Demonstration breeders and Genotyping Team
Year 4 Deliverables
Impact intended• Reliable, accurate, timely, cost-effective DNA
diagnostic options identified
RosBREED
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Computer Demonstrations
Eric van de Weg Pedigree-Based
Analysis software
Dorrie Main BIM System
Cholani WeebaddeJewels in the Genome in eXtension