biotechnology: contributions to coral reef science reefs are declining worldwide, with 58-70%...
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Biotechnology: Contributions to Biotechnology: Contributions to Coral Reef ScienceCoral Reef Science
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§§ Coral reefs are declining worldwide, with 58Coral reefs are declining worldwide, with 58--70% adversely 70% adversely affected by human activities.affected by human activities.
§§ Declines likely caused by local, regional, and global stresses;Declines likely caused by local, regional, and global stresses;latter two most widely reported in media:latter two most widely reported in media:§§ Global warming (El Nino)Global warming (El Nino)§§ African dustAfrican dust§§ Emerging infectious Emerging infectious
diseasesdiseases
§§ Local impacts relatively Local impacts relatively unknown.unknown.
§§ Resource managers Resource managers uncertain whether or uncertain whether or how to ameliorate how to ameliorate adverse impacts.adverse impacts.
The ProblemThe Problem
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The REAL PROBLEMThe REAL PROBLEM
•• Developing ‘useful’ Developing ‘useful’ understanding of the understanding of the causes and mechanisms causes and mechanisms of coral reef declinesof coral reef declines–– ScientistsScientists–– Resource ManagersResource Managers
www.sci.sdsu.edu/PHAGE
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The REAL PROBLEMThe REAL PROBLEM•• Developing tools to diagnose and mitigate the Developing tools to diagnose and mitigate the
causescauses of coral reef declinesof coral reef declinesTECHNOLOGYTECHNOLOGY = The ability to = The ability to perceiveperceive reality reality and to and to alter alter conditions and effectsconditions and effects
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Current monitoring methods ignore Current monitoring methods ignore important links in the biological important links in the biological
hierarchyhierarchy
Ecosystem ⇐ InferCommunities ⇐ Monitor
Populations ⇐ MonitorIndividuals
OrgansTissues
Cells & Molecules
Stress
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Biotechnology IndustryBiotechnology Industry
Tools: Tools: Genomics and Genomics and ProteomicsProteomicsand Cell Biologyand Cell Biology
Methodology & Philosophy:Methodology & Philosophy:
Biomedical SciencesBiomedical Sciences
⇒⇒ Cellular Diagnostics and TherapeuticsCellular Diagnostics and Therapeutics
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Environmental Cellular Environmental Cellular DiagnosticsDiagnostics
•• All life is based on the cellAll life is based on the cell
•• Cellular diagnostics is the ability to Cellular diagnostics is the ability to measure “cellular health”measure “cellular health”
≈≈ Diagnose the health of any species Diagnose the health of any species on the planet . . . on the planet . . .
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Cellular Diagnostics and Coral Cellular Diagnostics and Coral Reef DeclineReef Decline
Mechanisms of Coral BleachingMechanisms of Coral Bleaching(Global and Regional)(Global and Regional)
www.reefbase.org
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Oxidative StressOxidative Stress
•• Same Process in Corals that is Same Process in Corals that is associated with Parkinson’s Disease, associated with Parkinson’s Disease, Alzheimer’s Disease, and AgingAlzheimer’s Disease, and Aging
•• U.S. NOAA, U.S.U.S. NOAA, U.S. NPSNPS, Australian Institute of Marine Science, Australian Institute of Marine Science•• College of Charleston,College of Charleston, UnivUniv. California. California--Berkeley,Berkeley,
MedMed.. UnivUniv. South Carolina, . South Carolina, UnivUniv. Newcastle Upon. Newcastle Upon TyneTyne (UK)(UK)
•• CousteauCousteau Society, Mote Marine LaboratorySociety, Mote Marine Laboratory•• Environmental Moorings, Environmental Moorings, IntlIntl., IIDEXO., IIDEXO
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Sampling LocationsSampling Locations
6m6mEast Bache ShoalEast Bache Shoal88
6 m6 mAlina’sAlina’s reefreef77
6 m6 mAlgae reefAlgae reef66
6 m6 mWhite BankWhite Bank55
18 m18 mSW MolassesSW Molasses44
10 m10 mBetween Between Molasses and Molasses and PickelsPickels
33
6 m6 mSW Three SistersSW Three Sisters22
3 m3 mRodriguez KeyRodriguez Key11
DeptDepthh
Site NameSite Name
Map by Mike Callahan
⇐⇐
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MDR functionMDR function
Copyright 1999Alex Lang
§§ Protein complex that Protein complex that detoxifies detoxifies xenobioticsxenobiotics
§§ Suggests fertilizer,Suggests fertilizer,pesticide or pesticide or chemical chemical contamination.contamination.
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Evidence of Evidence of xenobioticxenobiotic: MDR : MDR
Alina’s Reef
4 KL sites
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Possible SourcesPossible Sources
“Mount Trashmore” Dade County landfill
Several drainage canals
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Ongoing Research: Coral Reef Ongoing Research: Coral Reef EcosystemsEcosystems
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Most Forecasting Methods Ignore Most Forecasting Methods Ignore Important Links in the Biological Important Links in the Biological
HierarchyHierarchyEcosystem
CommunitiesPopulations
IndividualsOrgans
TissuesCells & Molecules
Stress
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Significant Significant RegressorsRegressors•• March water March water
temperaturetemperature(R(R22 = 0.37, = 0.37, P < 0.002).P < 0.002).
•• NOAA NOAA currently currently uses water uses water temperature temperature to predict to predict coral coral bleaching hot bleaching hot spots.spots.
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A Better A Better RegressorRegressor: Chloroplast Small : Chloroplast Small Heat Shock ProteinHeat Shock Protein
chlpsHsp concentration in MarchPg chlpsHsp/µg total protein
Prob
abili
ty o
f cor
al c
ondi
tion
in S
epte
mbe
r
X2 = 13.4, P < 0.0005R2 = 0.45
0.30
0.96
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Prognosis: How long will a Prognosis: How long will a coral reef live if stresses coral reef live if stresses remain unabated?remain unabated?
www.reefbase.org
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Resource Managers = Resource Managers = Clinicians/CaregiversClinicians/Caregivers
BiotechnologiesBiotechnologies•• “Dipsticks” to diagnose disease“Dipsticks” to diagnose disease•• Topical antibiotic creams for coral Topical antibiotic creams for coral
diseasesdiseases
•• LongLong--term: Cellular and genetic markers term: Cellular and genetic markers to select “stressto select “stress--tolerant corals” for coral tolerant corals” for coral reef restorationreef restoration
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AcknowledgmentsAcknowledgments•• U.S. NOAAU.S. NOAA•• Florida Keys NMSFlorida Keys NMS•• NPS (Biscayne)NPS (Biscayne)•• Flower Gardens NMSFlower Gardens NMS•• U.S. Geological SurveyU.S. Geological Survey•• AustAust. . InstitInstit. Mar. . Mar. SciSci
•• Environmental Moorings Intl.Environmental Moorings Intl.•• OxisOxis Research, Inc.Research, Inc.
•• College of CharlestonCollege of Charleston•• Univ. S. FloridaUniv. S. Florida•• Medical Univ. S. CarolinaMedical Univ. S. Carolina
•• The Cousteau SocietyThe Cousteau Society•• Mote Marine LaboratoryMote Marine Laboratory•• IIDEXOIIDEXO•• Bermuda Biol. StationBermuda Biol. Station
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Ecological ForecastingEcological Forecasting
••Genomic IntegrityGenomic IntegrityStress Causes Genetic DamageStress Causes Genetic Damage
How fit will offspring be?How fit will offspring be?Down’s Syndrome Down’s Syndrome = Oxidative Stress = = Oxidative Stress = ⇓⇓ RecruitmentRecruitment
Spina BifidaSpina Bifida = Nutritional deficiency = = Nutritional deficiency = PlanulaPlanula deformationsdeformations
Miscarriage Miscarriage = Toxin exposure = Toxin exposure = No spawning= No spawning
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Differences in stress responses: Differences in stress responses: 2000 vs. 20012000 vs. 2001
WOW!