#METABOLOMICS WORKBENCH ebrammerrobbins_20231210_185900 DATATRACK_ID:4498 STUDY_ID:ST003017 ANALYSIS_ID:AN004950 VERSION 1 CREATED_ON 12-21-2023 #PROJECT PR:PROJECT_TITLE Lipidomics and plasma hormone reveal indicators of reproductive status in PR:PROJECT_TITLE Florida manatees (Trichechus manatus latirostris) PR:PROJECT_SUMMARY Florida manatees (Trichechus manatus latirostris) are protected as a threatened PR:PROJECT_SUMMARY species, and data are lacking regarding their reproductive physiology. This PR:PROJECT_SUMMARY study aimed to (1) quantify plasma steroid hormones in Florida manatees from two PR:PROJECT_SUMMARY field sites, Crystal River and Indian River Lagoon, at different gestational PR:PROJECT_SUMMARY stages and to (2) determine the relationship between plasma progesterone PR:PROJECT_SUMMARY concentrations and lipid biochemistry in relation to pregnancy status. PR:PROJECT_SUMMARY Ultra-high performance liquid chromatography-tandem mass spectrometric analysis PR:PROJECT_SUMMARY was used to measure plasma steroid hormones and lipids. Pregnant female manatees PR:PROJECT_SUMMARY were morphometrically distinct from male and non-pregnant female manatees, PR:PROJECT_SUMMARY characterized by larger body weight and maximal girth. Progesterone PR:PROJECT_SUMMARY concentrations in manatees were also elevated during early gestation versus late PR:PROJECT_SUMMARY gestation. Cholesterol, an important metabolic lipid and precursor for PR:PROJECT_SUMMARY reproductive steroids, was not different between groups. Lipidomics quantified PR:PROJECT_SUMMARY 949 lipids and plasma concentrations of a sphingolipid, ceramide non-hydroxy PR:PROJECT_SUMMARY fatty acid-sphingosine and several glycerophospholipids, including PR:PROJECT_SUMMARY lysophosphatidylcholine, phosphatidylethanolamines, PR:PROJECT_SUMMARY plasmenyl-phosphatidylserines and monomethyl phosphatidylethanolamines, were PR:PROJECT_SUMMARY associated with pregnancy status in the Florida manatee. This research PR:PROJECT_SUMMARY contributes to improving knowledge of manatee reproductive physiology by PR:PROJECT_SUMMARY providing data on plasma steroid hormones relative to reproductive status and by PR:PROJECT_SUMMARY assessing how plasma lipids in healthy Florida manatees correspond to PR:PROJECT_SUMMARY progesterone levels. This lipid panel has potential as a diagnostic approach to PR:PROJECT_SUMMARY identify pregnant individuals in fresh and archived samples. These biochemical PR:PROJECT_SUMMARY and morphometric indicators of reproductive status advance the understanding of PR:PROJECT_SUMMARY manatee physiology. PR:INSTITUTE University of Florida PR:DEPARTMENT Physiological Sciences PR:LABORATORY Dr. Martyniuk PR:LAST_NAME Brammer-Robbins PR:FIRST_NAME Elizabeth PR:ADDRESS 2187 Mowry Rd., Bldg 471 PR:EMAIL e.brammerrobbins@ufl.edu PR:PHONE 9104652899 PR:FUNDING_SOURCE National Science Foundation Graduate Research Fellowship Program under Grant No. PR:FUNDING_SOURCE (2019285699 to EB-R). PR:DOI http://dx.doi.org/10.21228/M8ZQ63 #STUDY ST:STUDY_TITLE Lipidomics and plasma hormone reveal indicators of reproductive status in ST:STUDY_TITLE Florida manatees (Trichechus manatus latirostris) ST:STUDY_SUMMARY Florida manatees (Trichechus manatus latirostris) are protected as a threatened ST:STUDY_SUMMARY species, and data are lacking regarding their reproductive physiology. This ST:STUDY_SUMMARY study aimed to (1) quantify plasma steroid hormones in Florida manatees from two ST:STUDY_SUMMARY field sites, Crystal River and Indian River Lagoon, at different gestational ST:STUDY_SUMMARY stages and to (2) determine the relationship between plasma progesterone ST:STUDY_SUMMARY concentrations and lipid biochemistry in relation to pregnancy status. ST:STUDY_SUMMARY Ultra-high performance liquid chromatography-tandem mass spectrometric analysis ST:STUDY_SUMMARY was used to measure plasma steroid hormones and lipids. Pregnant female manatees ST:STUDY_SUMMARY were morphometrically distinct from male and non-pregnant female manatees, ST:STUDY_SUMMARY characterized by larger body weight and maximal girth. Progesterone ST:STUDY_SUMMARY concentrations in manatees were also elevated during early gestation versus late ST:STUDY_SUMMARY gestation. Cholesterol, an important metabolic lipid and precursor for ST:STUDY_SUMMARY reproductive steroids, was not different between groups. Lipidomics quantified ST:STUDY_SUMMARY 949 lipids and plasma concentrations of a sphingolipid, ceramide non-hydroxy ST:STUDY_SUMMARY fatty acid-sphingosine and several glycerophospholipids, including ST:STUDY_SUMMARY lysophosphatidylcholine, phosphatidylethanolamines, ST:STUDY_SUMMARY plasmenyl-phosphatidylserines and monomethyl phosphatidylethanolamines, were ST:STUDY_SUMMARY associated with pregnancy status in the Florida manatee. This research ST:STUDY_SUMMARY contributes to improving knowledge of manatee reproductive physiology by ST:STUDY_SUMMARY providing data on plasma steroid hormones relative to reproductive status and by ST:STUDY_SUMMARY assessing how plasma lipids in healthy Florida manatees correspond to ST:STUDY_SUMMARY progesterone levels. This lipid panel has potential as a diagnostic approach to ST:STUDY_SUMMARY identify pregnant individuals in fresh and archived samples. These biochemical ST:STUDY_SUMMARY and morphometric indicators of reproductive status advance the understanding of ST:STUDY_SUMMARY manatee physiology. ST:INSTITUTE University of Florida ST:LAST_NAME Brammer-Robbins ST:FIRST_NAME Elizabeth ST:ADDRESS 2187 Mowry Rd., Bldg 471 ST:EMAIL e.brammerrobbins@ufl.edu ST:PHONE 9104652899 ST:SUBMIT_DATE 2023-12-10 #SUBJECT SU:SUBJECT_TYPE Mammal SU:SUBJECT_SPECIES Florida manatee (Trichechus manatus latirostris) SU:AGE_OR_AGE_RANGE Adult #SUBJECT_SAMPLE_FACTORS: SUBJECT(optional)[tab]SAMPLE[tab]FACTORS(NAME:VALUE pairs separated by |)[tab]Additional sample data SUBJECT_SAMPLE_FACTORS Plasma-CBC1308 Sp28 Capture Location:Brevard County | Reproductive Status:NA | Sex:M Pool #=7; RAW_FILE_NAME=FullScan_Sp28_neg.raw; RAW_FILE_NAME=FullScan_Sp28_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CBC1306 Sp29 Capture Location:Brevard County | Reproductive Status:NA | Sex:M Pool #=7; RAW_FILE_NAME=FullScan_Sp29_neg.raw; RAW_FILE_NAME=FullScan_Sp29_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CBC1305 Sp30 Capture Location:Brevard County | Reproductive Status:NA | Sex:M Pool #=7; RAW_FILE_NAME=FullScan_Sp30_neg.raw; RAW_FILE_NAME=FullScan_Sp30_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CBC1304 Sp31 Capture Location:Brevard County | Reproductive Status:NA | Sex:M Pool #=7; RAW_FILE_NAME=FullScan_Sp31_neg.raw; RAW_FILE_NAME=FullScan_Sp31_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CBC1303 Sp32 Capture Location:Brevard County | Reproductive Status:NA | Sex:M Pool #=7; RAW_FILE_NAME=FullScan_Sp32_neg.raw; RAW_FILE_NAME=FullScan_Sp32_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CBC1302 Sp33 Capture Location:Brevard County | Reproductive Status:NA | Sex:M Pool #=7; RAW_FILE_NAME=FullScan_Sp33_neg.raw; RAW_FILE_NAME=FullScan_Sp33_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CBC1301 Sp34 Capture Location:Brevard County | Reproductive Status:NA | Sex:M Pool #=7; RAW_FILE_NAME=FullScan_Sp34_neg.raw; RAW_FILE_NAME=FullScan_Sp34_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CBC1207 Sp35 Capture Location:Brevard County | Reproductive Status:NA | Sex:M Pool #=7; RAW_FILE_NAME=FullScan_Sp35_neg.raw; RAW_FILE_NAME=FullScan_Sp35_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CBC1312 Sp57 Capture Location:Brevard County | Reproductive Status:NA | Sex:M Pool #=7; RAW_FILE_NAME=FullScan_Sp57_neg.raw; RAW_FILE_NAME=FullScan_Sp57_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CBC1203 Sp70 Capture Location:Brevard County | Reproductive Status:NA | Sex:M Pool #=7; RAW_FILE_NAME=FullScan_Sp70_neg.raw; RAW_FILE_NAME=FullScan_Sp70_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CBC1202 Sp71 Capture Location:Brevard County | Reproductive Status:NA | Sex:M Pool #=7; RAW_FILE_NAME=FullScan_Sp71_neg.raw; RAW_FILE_NAME=FullScan_Sp71_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CBC1106 Sp72 Capture Location:Brevard County | Reproductive Status:NA | Sex:M Pool #=7; RAW_FILE_NAME=FullScan_Sp72_neg.raw; RAW_FILE_NAME=FullScan_Sp72_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CBC1104 Sp73 Capture Location:Brevard County | Reproductive Status:NA | Sex:M Pool #=7; RAW_FILE_NAME=FullScan_Sp73_neg.raw; RAW_FILE_NAME=FullScan_Sp73_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CBC1409 Sp23 Capture Location:Brevard County | Reproductive Status:NP | Sex:F Pool #=6; RAW_FILE_NAME=FullScan_Sp23_neg.raw; RAW_FILE_NAME=FullScan_Sp23_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CBC1311 Sp24 Capture Location:Brevard County | Reproductive Status:NP | Sex:F Pool #=6; RAW_FILE_NAME=FullScan_Sp24_neg.raw; RAW_FILE_NAME=FullScan_Sp24_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CBC1309 Sp25 Capture Location:Brevard County | Reproductive Status:NP | Sex:F Pool #=6; RAW_FILE_NAME=FullScan_Sp25_neg.raw; RAW_FILE_NAME=FullScan_Sp25_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CBC1212 Sp26 Capture Location:Brevard County | Reproductive Status:NP | Sex:F Pool #=6; RAW_FILE_NAME=FullScan_Sp26_neg.raw; RAW_FILE_NAME=FullScan_Sp26_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CBC1209 Sp27 Capture Location:Brevard County | Reproductive Status:NP | Sex:F Pool #=6; RAW_FILE_NAME=FullScan_Sp27_neg.raw; RAW_FILE_NAME=FullScan_Sp27_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CBC1008 Sp52 Capture Location:Brevard County | Reproductive Status:NP | Sex:F Pool #=6; RAW_FILE_NAME=FullScan_Sp52_neg.raw; RAW_FILE_NAME=FullScan_Sp52_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CBC1007 Sp53 Capture Location:Brevard County | Reproductive Status:NP | Sex:F Pool #=6; RAW_FILE_NAME=FullScan_Sp53_neg.raw; RAW_FILE_NAME=FullScan_Sp53_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CBC1006 Sp54 Capture Location:Brevard County | Reproductive Status:NP | Sex:F Pool #=6; RAW_FILE_NAME=FullScan_Sp54_neg.raw; RAW_FILE_NAME=FullScan_Sp54_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CBC1307 Sp58 Capture Location:Brevard County | Reproductive Status:NP | Sex:F Pool #=6; RAW_FILE_NAME=FullScan_Sp58_neg.raw; RAW_FILE_NAME=FullScan_Sp58_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CCR1510 Sp15 Capture Location:Crystal River | Reproductive Status:NA | Sex:M Pool #=5; RAW_FILE_NAME=FullScan_Sp15_neg.raw; RAW_FILE_NAME=FullScan_Sp15_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CCR1507 Sp16 Capture Location:Crystal River | Reproductive Status:NA | Sex:M Pool #=5; RAW_FILE_NAME=FullScan_Sp16_neg.raw; RAW_FILE_NAME=FullScan_Sp16_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CCR1419 Sp17 Capture Location:Crystal River | Reproductive Status:NA | Sex:M Pool #=5; RAW_FILE_NAME=FullScan_Sp17_neg.raw; RAW_FILE_NAME=FullScan_Sp17_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CCR1408 Sp18 Capture Location:Crystal River | Reproductive Status:NA | Sex:M Pool #=5; RAW_FILE_NAME=FullScan_Sp18_neg.raw; RAW_FILE_NAME=FullScan_Sp18_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CCR1310 Sp19 Capture Location:Crystal River | Reproductive Status:NA | Sex:M Pool #=5; RAW_FILE_NAME=FullScan_Sp19_neg.raw; RAW_FILE_NAME=FullScan_Sp19_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CCR1305 Sp20 Capture Location:Crystal River | Reproductive Status:NA | Sex:M Pool #=5; RAW_FILE_NAME=FullScan_Sp20_neg.raw; RAW_FILE_NAME=FullScan_Sp20_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CCR1213 Sp21 Capture Location:Crystal River | Reproductive Status:NA | Sex:M Pool #=5; RAW_FILE_NAME=FullScan_Sp21_neg.raw; RAW_FILE_NAME=FullScan_Sp21_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CCR1205 Sp22 Capture Location:Crystal River | Reproductive Status:NA | Sex:M Pool #=5; RAW_FILE_NAME=FullScan_Sp22_neg.raw; RAW_FILE_NAME=FullScan_Sp22_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CCR1907 Sp60 Capture Location:Crystal River | Reproductive Status:NA | Sex:M Pool #=5; RAW_FILE_NAME=FullScan_Sp60_neg.raw; RAW_FILE_NAME=FullScan_Sp60_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CCR1904 Sp61 Capture Location:Crystal River | Reproductive Status:NA | Sex:M Pool #=5; RAW_FILE_NAME=FullScan_Sp61_neg.raw; RAW_FILE_NAME=FullScan_Sp61_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CCR1833 Sp62 Capture Location:Crystal River | Reproductive Status:NA | Sex:M Pool #=5; RAW_FILE_NAME=FullScan_Sp62_neg.raw; RAW_FILE_NAME=FullScan_Sp62_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CCR1825 Sp63 Capture Location:Crystal River | Reproductive Status:NA | Sex:M Pool #=5; RAW_FILE_NAME=FullScan_Sp63_neg.raw; RAW_FILE_NAME=FullScan_Sp63_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CCR1805 Sp64 Capture Location:Crystal River | Reproductive Status:NA | Sex:M Pool #=5; RAW_FILE_NAME=FullScan_Sp64_neg.raw; RAW_FILE_NAME=FullScan_Sp64_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CCR1709 Sp65 Capture Location:Crystal River | Reproductive Status:NA | Sex:M Pool #=5; RAW_FILE_NAME=FullScan_Sp65_neg.raw; RAW_FILE_NAME=FullScan_Sp65_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CCR1706 Sp66 Capture Location:Crystal River | Reproductive Status:NA | Sex:M Pool #=5; RAW_FILE_NAME=FullScan_Sp66_neg.raw; RAW_FILE_NAME=FullScan_Sp66_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CCR1625 Sp67 Capture Location:Crystal River | Reproductive Status:NA | Sex:M Pool #=5; RAW_FILE_NAME=FullScan_Sp67_neg.raw; RAW_FILE_NAME=FullScan_Sp67_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CCR1623 Sp68 Capture Location:Crystal River | Reproductive Status:NA | Sex:M Pool #=5; RAW_FILE_NAME=FullScan_Sp68_neg.raw; RAW_FILE_NAME=FullScan_Sp68_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CCR1523 Sp69 Capture Location:Crystal River | Reproductive Status:NA | Sex:M Pool #=5; RAW_FILE_NAME=FullScan_Sp69_neg.raw; RAW_FILE_NAME=FullScan_Sp69_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CCR1906 Sp01 Capture Location:Crystal River | Reproductive Status:NP | Sex:F Pool #=2; RAW_FILE_NAME=FullScan_Sp01_neg.raw; RAW_FILE_NAME=FullScan_Sp01_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CCR1832 Sp02 Capture Location:Crystal River | Reproductive Status:NP | Sex:F Pool #=2; RAW_FILE_NAME=FullScan_Sp02_neg.raw; RAW_FILE_NAME=FullScan_Sp02_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CCR1819 Sp03 Capture Location:Crystal River | Reproductive Status:NP | Sex:F Pool #=2; RAW_FILE_NAME=FullScan_Sp03_neg.raw; RAW_FILE_NAME=FullScan_Sp03_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CCR1810 Sp04 Capture Location:Crystal River | Reproductive Status:NP | Sex:F Pool #=2; RAW_FILE_NAME=FullScan_Sp04_neg.raw; RAW_FILE_NAME=FullScan_Sp04_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CCR1714 Sp05 Capture Location:Crystal River | Reproductive Status:NP | Sex:F Pool #=2; RAW_FILE_NAME=FullScan_Sp05_neg.raw; RAW_FILE_NAME=FullScan_Sp05_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CCR1632 Sp06 Capture Location:Crystal River | Reproductive Status:NP | Sex:F Pool #=2; RAW_FILE_NAME=FullScan_Sp06_neg.raw; RAW_FILE_NAME=FullScan_Sp06_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CCR1611 Sp07 Capture Location:Crystal River | Reproductive Status:NP | Sex:F Pool #=2; RAW_FILE_NAME=FullScan_Sp07_neg.raw; RAW_FILE_NAME=FullScan_Sp07_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CCR1501 Sp08 Capture Location:Crystal River | Reproductive Status:NP | Sex:F Pool #=2; RAW_FILE_NAME=FullScan_Sp08_neg.raw; RAW_FILE_NAME=FullScan_Sp08_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CCR1823 Sp36 Capture Location:Crystal River | Reproductive Status:NP | Sex:F Pool #=2; RAW_FILE_NAME=FullScan_Sp36_neg.raw; RAW_FILE_NAME=FullScan_Sp36_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CCR1402 Sp39 Capture Location:Crystal River | Reproductive Status:NP | Sex:F Pool #=2; RAW_FILE_NAME=FullScan_Sp39_neg.raw; RAW_FILE_NAME=FullScan_Sp39_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CCR1317 Sp40 Capture Location:Crystal River | Reproductive Status:NP | Sex:F Pool #=2; RAW_FILE_NAME=FullScan_Sp40_neg.raw; RAW_FILE_NAME=FullScan_Sp40_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CCR1208 Sp41 Capture Location:Crystal River | Reproductive Status:NP | Sex:F Pool #=2; RAW_FILE_NAME=FullScan_Sp41_neg.raw; RAW_FILE_NAME=FullScan_Sp41_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CCR1905 Sp09 Capture Location:Crystal River | Reproductive Status:P | Sex:F Pool #=1; RAW_FILE_NAME=FullScan_Sp09_neg.raw; RAW_FILE_NAME=FullScan_Sp09_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CCR1902 Sp10 Capture Location:Crystal River | Reproductive Status:P | Sex:F Pool #=1; RAW_FILE_NAME=FullScan_Sp10_neg.raw; RAW_FILE_NAME=FullScan_Sp10_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CCR1901 Sp11 Capture Location:Crystal River | Reproductive Status:P | Sex:F Pool #=1; RAW_FILE_NAME=FullScan_Sp11_neg.raw; RAW_FILE_NAME=FullScan_Sp11_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CCR1705 Sp12 Capture Location:Crystal River | Reproductive Status:P | Sex:F Pool #=1; RAW_FILE_NAME=FullScan_Sp12_neg.raw; RAW_FILE_NAME=FullScan_Sp12_pos.raw SUBJECT_SAMPLE_FACTORS Plasma-CCR1528 Sp13 Capture Location:Crystal River | Reproductive Status:P | Sex:F Pool #=1; RAW_FILE_NAME=FullScan_Sp13_neg.raw; RAW_FILE_NAME=FullScan_Sp13_pos.raw SUBJECT_SAMPLE_FACTORS Quality Control 1 QC01 Capture Location:- | Reproductive Status:- | Sex:- Pool #=-; RAW_FILE_NAME=FullScan_QC01_neg.raw; RAW_FILE_NAME=FullScan_QC01_pos.raw SUBJECT_SAMPLE_FACTORS Quality Control 2 QC02 Capture Location:- | Reproductive Status:- | Sex:- Pool #=-; RAW_FILE_NAME=FullScan_QC02_neg.raw; RAW_FILE_NAME=FullScan_QC02_pos.raw SUBJECT_SAMPLE_FACTORS Quality Control 3 QC03 Capture Location:- | Reproductive Status:- | Sex:- Pool #=-; RAW_FILE_NAME=FullScan_QC03_neg.raw; RAW_FILE_NAME=FullScan_QC03_pos.raw SUBJECT_SAMPLE_FACTORS - Target01 Capture Location:- | Reproductive Status:- | Sex:- Pool #=1; RAW_FILE_NAME=FullScan_Target01_neg.raw; RAW_FILE_NAME=FullScan_Target01_pos.raw SUBJECT_SAMPLE_FACTORS - Target02 Capture Location:- | Reproductive Status:- | Sex:- Pool #=2; RAW_FILE_NAME=FullScan_Target02_neg.raw; RAW_FILE_NAME=FullScan_Target02_pos.raw SUBJECT_SAMPLE_FACTORS - Target03 Capture Location:- | Reproductive Status:- | Sex:- Pool #=3; RAW_FILE_NAME=FullScan_Target03_neg.raw; RAW_FILE_NAME=FullScan_Target03_pos.raw SUBJECT_SAMPLE_FACTORS - Target04 Capture Location:- | Reproductive Status:- | Sex:- Pool #=4; RAW_FILE_NAME=FullScan_Target04_neg.raw; RAW_FILE_NAME=FullScan_Target04_pos.raw SUBJECT_SAMPLE_FACTORS - Target05 Capture Location:- | Reproductive Status:- | Sex:- Pool #=5; RAW_FILE_NAME=FullScan_Target05_neg.raw; RAW_FILE_NAME=FullScan_Target05_pos.raw SUBJECT_SAMPLE_FACTORS - Target06 Capture Location:- | Reproductive Status:- | Sex:- Pool #=6; RAW_FILE_NAME=FullScan_Target06_neg.raw; RAW_FILE_NAME=FullScan_Target06_pos.raw SUBJECT_SAMPLE_FACTORS - Target07 Capture Location:- | Reproductive Status:- | Sex:- Pool #=7; RAW_FILE_NAME=FullScan_Target07_neg.raw; RAW_FILE_NAME=FullScan_Target07_pos.raw #COLLECTION CO:COLLECTION_SUMMARY Blood samples were collected from wild FL manatees at manatee health CO:COLLECTION_SUMMARY assessments. Blood was collected in 7-mL lithium heparinized vacutainers and CO:COLLECTION_SUMMARY centrifuged at 3200 rpm for 10 min onsite at atmospheric temperature. The plasma CO:COLLECTION_SUMMARY supernatant was transferred to cryovials in 1 mL aliquots. Plasma samples were CO:COLLECTION_SUMMARY kept on dry ice during transport and stored at -80 °C at USGS and University of CO:COLLECTION_SUMMARY Florida (UF) until analysis. CO:COLLECTION_PROTOCOL_FILENAME Collection Summary.txt CO:SAMPLE_TYPE Blood (plasma) CO:STORAGE_CONDITIONS -80℃ CO:COLLECTION_VIALS lithium heparinized vacutainers CO:STORAGE_VIALS Cryovials #TREATMENT TR:TREATMENT_SUMMARY Plasma was not treated. Lipids were measured and compared between pregnant and TR:TREATMENT_SUMMARY non-pregnant manatees. #SAMPLEPREP SP:SAMPLEPREP_SUMMARY Lithium heparinized manatee plasma samples, quality control samples, extraction SP:SAMPLEPREP_SUMMARY and solvent blanks, and pooled group samples were extracted via the Folch SP:SAMPLEPREP_SUMMARY extraction method (2:1 chloroform: methanol) (Folch et al., 1957). The plasma SP:SAMPLEPREP_SUMMARY samples were thawed on ice and briefly homogenized. Next, 50 µL of each sample SP:SAMPLEPREP_SUMMARY was added to a glass test tube. Three quality control samples were prepared the SP:SAMPLEPREP_SUMMARY same manner using 50 µL of SRM 1950. All samples, except the solvent blanks, SP:SAMPLEPREP_SUMMARY were spiked with 50 µL of deuterium-labeled internal standards from 10 SP:SAMPLEPREP_SUMMARY different lipid classes at known concentrations (diluted 1:10) (Splash SP:SAMPLEPREP_SUMMARY Lipidomix, Avanti Polar Lipids, Alabaster, AL). Biphasic extraction was SP:SAMPLEPREP_SUMMARY conducted by adding 3 mL of 2:1 chloroform:methanol solution to each test tube SP:SAMPLEPREP_SUMMARY including the quality control samples and extraction blanks. The samples were SP:SAMPLEPREP_SUMMARY then vortexed for 10 s, 500 µL of Optima-grade water was added, and the tubes SP:SAMPLEPREP_SUMMARY were inverted 5 times. All samples were centrifuged at 2500 g for 5 min at 4 SP:SAMPLEPREP_SUMMARY °C. The resulting bottom lipid containing layer was then removed and SP:SAMPLEPREP_SUMMARY transferred to a new glass test tube using glass Pasteur pipettes. Samples were SP:SAMPLEPREP_SUMMARY divided into sub-groups determined by study site, sex, and reproductive status. SP:SAMPLEPREP_SUMMARY Extract pools were created by equal contributions from each sample within a SP:SAMPLEPREP_SUMMARY group. Finally, the samples, controls, and pools were evaporated under a steady SP:SAMPLEPREP_SUMMARY stream of nitrogen at 25 °C for about 25 min. The samples were then SP:SAMPLEPREP_SUMMARY reconstituted with 100 µL of isopropanol and vortexed for 10 s. The SP:SAMPLEPREP_SUMMARY reconstituted solutions were then transferred to autosampler vial inserts inside SP:SAMPLEPREP_SUMMARY glass autosampler vials for UHPLC-MS/MS analysis. SP:SAMPLEPREP_PROTOCOL_FILENAME Sample Prep.txt #CHROMATOGRAPHY CH:CHROMATOGRAPHY_SUMMARY The extracted lipid samples, pooled groups, quality controls, and blanks were CH:CHROMATOGRAPHY_SUMMARY analyzed by UHPLC-MS/MS on a Thermo Vanquish UHPLC system coupled to a Thermo CH:CHROMATOGRAPHY_SUMMARY Q-Exactive Orbitrap mass spectrometer. The column used was a Waters Acquity BEH, CH:CHROMATOGRAPHY_SUMMARY 100 mm x 2.1 mm x 1.7 µm. Mobile phase A and B contained 60:40 CH:CHROMATOGRAPHY_SUMMARY acetonitrile/water (v/v) and 90:10 isopropanol/acetonitrile (v/v) respectively, CH:CHROMATOGRAPHY_SUMMARY with both phases containing 5mM ammonium formate and 0.1% formic acid. The CH:CHROMATOGRAPHY_SUMMARY mobile phase gradient was as follows: a linear increase of solvent B from 40% to CH:CHROMATOGRAPHY_SUMMARY 55% over 7 min, then increased to 65% by min 8, held at 65% for 4 min, linear CH:CHROMATOGRAPHY_SUMMARY increase to 95% over 8 min, increased to 100% over 2 min, solvent B was held at CH:CHROMATOGRAPHY_SUMMARY 100% for 5 min before decreasing to 40% in a tenth of a min. Finally, solvent B CH:CHROMATOGRAPHY_SUMMARY was held at 100% for another 3 min. The sample injection volume was 10 µL at a CH:CHROMATOGRAPHY_SUMMARY flow rate of 0.25 mL/min, the column compartment was 45 °C, and the autosampler CH:CHROMATOGRAPHY_SUMMARY temperature was 10 °C. CH:INSTRUMENT_NAME Thermo Vanquish CH:COLUMN_NAME Waters ACQUITY UPLC BEH C18(100 x 2.1mm,1.7um) CH:COLUMN_TEMPERATURE 45 CH:FLOW_GRADIENT a linear increase of solvent B from 40% to 55% over 7 min, then increased to 65% CH:FLOW_GRADIENT by min 8, held at 65% for 4 min, linear increase to 95% over 8 min, increased to CH:FLOW_GRADIENT 100% over 2 min, solvent B was held at 100% for 5 min before decreasing to 40% CH:FLOW_GRADIENT in a tenth of a min. Finally, solvent B was held at 100% for another 3 min. CH:FLOW_RATE 0.25 mL/min CH:SOLVENT_A 60:40 acetonitrile/water (v/v), 5mM ammonium formate and 0.1% formic acid CH:SOLVENT_B 90:10 isopropanol/acetonitrile (v/v), 5mM ammonium formate and 0.1% formic acid CH:CHROMATOGRAPHY_TYPE Reversed phase #ANALYSIS AN:ANALYSIS_TYPE MS AN:ANALYSIS_PROTOCOL_FILE MS Metadata.txt #MS MS:INSTRUMENT_NAME Thermo Q Exactive Orbitrap MS:INSTRUMENT_TYPE Orbitrap MS:MS_TYPE ESI MS:MS_COMMENTS All samples were analyzed in full scan positive and negative ion modes with MS:MS_COMMENTS spray voltages +3.0kV and -3.0kV, respectively, at 70,000 resolution at m/z 200, MS:MS_COMMENTS the scan range was m/z 100-1500 and source temperature at 300 °C. Tandem mass MS:MS_COMMENTS spectra were collected via criterion based on data-dependent acquisition for the MS:MS_COMMENTS top-10 ions with stepped normalized collision energy 20, 25, and 30, an MS:MS_COMMENTS isolation window of 1Da, dynamic exclusion of 6 s, and using IE-Omics for the MS:MS_COMMENTS generation of exclusion lists in iterative-exclusion experiments (Koelmel, MS:MS_COMMENTS Kroeger, Gill, et al., 2017). Extracted Lipid Data Analysis LipidMatch software MS:MS_COMMENTS was implemented to identify and integrate the detected lipids (Koelmel, Kroeger, MS:MS_COMMENTS Ulmer, et al., 2017). The peak areas were normalized relative to the internal MS:MS_COMMENTS standards of the same subclass as the lipid of interest. For lipids that did not MS:MS_COMMENTS have an internal standard of the same subclass, the internal standard with the MS:MS_COMMENTS closest chemical structure was used (i.e., internal standard with the same head MS:MS_COMMENTS group). Otherwise, the internal standard with the closest chromatographic MS:MS_COMMENTS retention time (same ionization polarity) was used for analytes without a MS:MS_COMMENTS corresponding internal standard of the same lipid subclass. The plasma lipid MS:MS_COMMENTS concentrations were reported as µg/mL. MS:ION_MODE POSITIVE MS:MS_RESULTS_FILE ST003017_AN004950_Results.txt UNITS:Peak area Has m/z:Yes Has RT:Yes RT units:Seconds #END