{"id":41,"date":"2014-09-08T19:17:37","date_gmt":"2014-09-08T19:17:37","guid":{"rendered":"http:\/\/imet.umces.edu\/yli\/?page_id=41"},"modified":"2022-06-29T16:33:23","modified_gmt":"2022-06-29T20:33:23","slug":"research-2","status":"publish","type":"page","link":"https:\/\/imet.umces.edu\/yli\/?page_id=41","title":{"rendered":"Research"},"content":{"rendered":"<p>Our research interest is in the area of microalgal biology and biotechnology. The goal is to understand abiotic and biotic interactions of microalgae with the environment and the molecular mechanisms regulating lipid biosynthesis during those interactions. We employ rational engineering strategies to manipulate algae for carbon sequestration and production of biofuels\/high-value products.<\/p>\n<p><a href=\"http:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2014\/09\/Picture4.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-83\" src=\"http:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2014\/09\/Picture4.jpg\" alt=\"Picture4\" width=\"763\" height=\"556\" srcset=\"https:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2014\/09\/Picture4.jpg 942w, https:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2014\/09\/Picture4-300x218.jpg 300w\" sizes=\"auto, (max-width: 763px) 100vw, 763px\" \/><\/a><\/p>\n<p><em>Click on the figure above for the lipid synthesis pathways in microalgae (Li et al, 2013, <b>Handbook of Microalgal Culture, 2nd <\/b><b>Edition<\/b>. Chapter 28)<\/em><\/p>\n<p><strong><em>Lipid biosynthesis and turnover:<\/em> <\/strong>We use the green alga <em>Chlamydomonas reinhardtii<\/em> and the marine oleaginous microalga <em>Nannochloropsis oceanica<\/em> as model systems. Our goal is to advance basic knowledge on photosynthetic carbon allocation and lipid metabolism in microalgae, particularly the molecular mechanisms regulating triacylglycerol synthesis and lipid body biogenesis (see the Figure above). We address these mechanisms using systems biology and molecular biology approaches.<\/p>\n<p><a href=\"http:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2014\/09\/2x4-algae0761.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-5 size-large\" src=\"http:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2014\/09\/2x4-algae0761-e1595455639981-748x1024.jpg\" alt=\"\" width=\"650\" height=\"890\" srcset=\"https:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2014\/09\/2x4-algae0761-e1595455639981-748x1024.jpg 748w, https:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2014\/09\/2x4-algae0761-e1595455639981-219x300.jpg 219w, https:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2014\/09\/2x4-algae0761-e1595455639981-768x1052.jpg 768w, https:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2014\/09\/2x4-algae0761-e1595455639981.jpg 1623w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><\/a><\/p>\n<p><strong><em>Carbon sequestration and biofuels: <\/em><\/strong>The carbon dioxide released into the atmosphere is increasing at an alarming rate, contributing to climate change that is causing damage to the world economy. We propose microalgae-based negative emission technology (strain engineering, microbiome engineering etc.) to sequester CO<sub>2 <\/sub>and remove it from atmosphere. Sequestered carbon will be used as energy source or building blocks for other biological material.<\/p>\n<p><a href=\"http:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2014\/09\/last-batch-day14-right-to-left-no-adaption-N-AC-no-adaptation+N+Ac-Adaptation2days-4days-6days..jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-112\" src=\"http:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2014\/09\/last-batch-day14-right-to-left-no-adaption-N-AC-no-adaptation+N+Ac-Adaptation2days-4days-6days.-300x283.jpg\" alt=\"last batch day14 right to left no adaption -N-AC, no adaptation+N+Ac, Adaptation2days, 4days ,6days.\" width=\"647\" height=\"612\" srcset=\"https:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2014\/09\/last-batch-day14-right-to-left-no-adaption-N-AC-no-adaptation+N+Ac-Adaptation2days-4days-6days.-300x283.jpg 300w, https:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2014\/09\/last-batch-day14-right-to-left-no-adaption-N-AC-no-adaptation+N+Ac-Adaptation2days-4days-6days.-1024x968.jpg 1024w\" sizes=\"auto, (max-width: 647px) 100vw, 647px\" \/><\/a><\/p>\n<p><strong><em>Engineering algae for high value bioproducts:<\/em> <\/strong>The low biomass productivity obtained from native algal strains is a major challenge for algae-based products. To overcome this problem, we have developed new tools and strategies to engineer algal mutant strains with improved target products. We have also physiologically and genetically manipulated selected algal strains (<em>Haematococcus<\/em> and <em>Chlorella;<\/em> see the Figure above) for astaxanthin production, a high-value carotenoid widely used in aquaculture and nutraceutical industry. Promising algal strains are tested in advanced bioreactors\/fermenters.<\/p>\n<h2>We are grateful\u00a0to the following for funding support:<\/h2>\n<p><a href=\"http:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2014\/09\/CCEMC_logo.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-207\" src=\"http:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2014\/09\/CCEMC_logo.jpg\" alt=\"CCEMC_logo\" width=\"134\" height=\"167\" srcset=\"https:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2014\/09\/CCEMC_logo.jpg 249w, https:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2014\/09\/CCEMC_logo-241x300.jpg 241w\" sizes=\"auto, (max-width: 134px) 100vw, 134px\" \/><\/a><\/p>\n<p><a href=\"http:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2020\/09\/Eww-ua5e_400x400.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-512\" src=\"http:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2020\/09\/Eww-ua5e_400x400.png\" alt=\"\" width=\"164\" height=\"164\" srcset=\"https:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2020\/09\/Eww-ua5e_400x400.png 400w, https:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2020\/09\/Eww-ua5e_400x400-150x150.png 150w, https:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2020\/09\/Eww-ua5e_400x400-300x300.png 300w\" sizes=\"auto, (max-width: 164px) 100vw, 164px\" \/><\/a><\/p>\n<p><a href=\"http:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2014\/09\/tedco.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-118\" src=\"http:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2014\/09\/IMETLogo_02-7-12-1024x512.jpg\" alt=\"IMETLogo_02-7-12\" width=\"202\" height=\"101\" srcset=\"https:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2014\/09\/IMETLogo_02-7-12-1024x512.jpg 1024w, https:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2014\/09\/IMETLogo_02-7-12-300x150.jpg 300w\" sizes=\"auto, (max-width: 202px) 100vw, 202px\" \/><\/a><\/p>\n<p><a href=\"http:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2014\/09\/mtech_logo.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-491 size-full\" src=\"http:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2014\/09\/mtech_logo-e1557511197992.png\" alt=\"mtech_logo\" width=\"350\" height=\"90\" \/><\/a><\/p>\n<p><a href=\"http:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2014\/09\/UMCES-blue_308C.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-209\" src=\"http:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2014\/09\/nsf.gif\" alt=\"nsf\" width=\"139\" height=\"140\" \/><\/a><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-232\" src=\"http:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2014\/09\/onr-Logo.png\" alt=\"onr-Logo\" width=\"204\" height=\"93\" \/><\/p>\n<p><a href=\"http:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2014\/09\/horiz.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-210\" src=\"http:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2014\/09\/tedco.png\" alt=\"tedco\" width=\"173\" height=\"100\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-120\" src=\"http:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2014\/09\/UMCES-blue_308C.jpg\" alt=\"UMCES-blue_308C\" width=\"208\" height=\"74\" srcset=\"https:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2014\/09\/UMCES-blue_308C.jpg 600w, https:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2014\/09\/UMCES-blue_308C-300x107.jpg 300w\" sizes=\"auto, (max-width: 208px) 100vw, 208px\" \/><\/a><a href=\"http:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2014\/09\/horiz.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-121\" src=\"http:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2014\/09\/horiz-1024x346.jpg\" alt=\"horiz\" width=\"189\" height=\"64\" srcset=\"https:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2014\/09\/horiz-1024x346.jpg 1024w, https:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2014\/09\/horiz-300x101.jpg 300w, https:\/\/imet.umces.edu\/yli\/wp-content\/uploads\/2014\/09\/horiz.jpg 1307w\" sizes=\"auto, (max-width: 189px) 100vw, 189px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Our research interest is in the area of microalgal biology and biotechnology. The goal is to understand abiotic and biotic interactions of microalgae with the environment and the molecular mechanisms regulating lipid biosynthesis during those interactions. We employ rational engineering strategies to manipulate algae for carbon sequestration and production of biofuels\/high-value products. Click on the figure above for the lipid synthesis pathways in microalgae (Li et al, 2013, Handbook of Microalgal Culture, 2nd Edition. Chapter 28) Lipid biosynthesis and turnover: We use the green alga Chlamydomonas reinhardtii and the marine oleaginous microalga Nannochloropsis oceanica as model systems. Our goal is to advance basic knowledge on photosynthetic carbon allocation and lipid metabolism in microalgae, particularly the molecular mechanisms regulating triacylglycerol synthesis and lipid body biogenesis (see the Figure above). We address these mechanisms using systems biology and molecular biology approaches. Carbon sequestration and biofuels: The carbon dioxide released into the atmosphere is increasing at an alarming rate, contributing to climate change that is causing damage to the world economy. We propose microalgae-based negative emission technology (strain engineering, microbiome engineering etc.) to sequester CO2 and remove it from atmosphere. Sequestered carbon will be used as energy source or building blocks for other [&#8230;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"open","template":"page-full.php","meta":{"footnotes":""},"class_list":["post-41","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/imet.umces.edu\/yli\/index.php?rest_route=\/wp\/v2\/pages\/41","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/imet.umces.edu\/yli\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/imet.umces.edu\/yli\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/imet.umces.edu\/yli\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/imet.umces.edu\/yli\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=41"}],"version-history":[{"count":62,"href":"https:\/\/imet.umces.edu\/yli\/index.php?rest_route=\/wp\/v2\/pages\/41\/revisions"}],"predecessor-version":[{"id":554,"href":"https:\/\/imet.umces.edu\/yli\/index.php?rest_route=\/wp\/v2\/pages\/41\/revisions\/554"}],"wp:attachment":[{"href":"https:\/\/imet.umces.edu\/yli\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=41"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}