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Bento searches all of the available resources at LSU Libraries. Please note that while Discovery does include Catalog results, the dedicated Catalog search can still be accessed.

Discovery
Searches our local print and electronic materials including e-books, journal articles, peer-reviewed articles, news, and magazines.
Research Guides
Searches the full-text of research guides published by LSU Libraries. A research guide is a curated, librarian‑built document that pulls together the most important resources for a topic, course, or assignment. It’s designed to help students, faculty, and researchers quickly find high‑quality, relevant information without having to sift through everything on their own.
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Searches the full-text of the Scholarly Repository. The LSU Scholarly Repository collects, preserves, publishes, and makes openly accessible the research and scholarship contributed by LSU faculty, staff, students, and units. Research and scholarly archived materials can include articles, monographs, books, theses & dissertations, audio-visual presentations, working papers, technical reports, conference proceedings, special collections, data, and publicly funded research.
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Discovery

451961
Analysis of the quadruple lsu mutant reveals molecular determinants of the role of LSU proteins in sulfur assimilation in Arabidopsis.
SUMMARY: Because plants are immobile, they have developed intricate mechanisms to sense and absorb nutrients, adjusting their growth and development accordingly. Sulfur is an essential macroelement, but our understanding of its metabolism and homeostasis is limited. LSU (RESPONSE TO LOW SULFUR) proteins are plant‐specific proteins with unknown molecular functions and were first identified during transcriptomic studies on sulfur deficiency in Arabidopsis. These proteins are crucial hubs that integrate environmental signals and are involved in the response to various stressors. Herein, we report the direct involvement of LSU proteins in primary sulfur metabolism. Our findings revealed that the quadruple lsu mutant, q‐lsu‐KO, which was grown under nonlimiting sulfate conditions, exhibited a molecular response resembling that of sulfur‐deficient wild‐type plants. This led us to explore the interactions of LSU proteins with sulfate reduction pathway enzymes. We found that all LSU proteins interact with ATPS1 and ATPS3 isoforms of ATP sulfurylase, all three isoforms of adenosine 5´ phosphosulfate reductase (APR), and sulfite reductase (SiR). Additionally, in vitro assays revealed that LSU1 enhances the enzymatic activity of SiR. These results highlight the supportive role of LSU proteins in the sulfate reduction pathway. Significance Statement: This study demonstrates that the quadruple lsu mutant exhibits impaired sulfate assimilation and reduction at the transcript, metabolite, and long‐distance sulfur flux levels. Our subsequent research has revealed the molecular mechanism underlying these findings, showing a direct interaction between LSU proteins and enzymes involved in sulfate reduction, particularly sulfite reductase (SiR), with LSU1 enhancing SiR activity. [ABSTRACT FROM AUTHOR]
Phylogenetic Relationship of Marasmius mbalmayoensis sp. nov. to the Tropical African Marasmius bekolacongoli Complex Based on nuc-LSU rDNA Sequences
Marasmius mbalmayoensis (Basidiomycotina, Marasmiaceae) growing on decayed leaves of Canarium schweinfurthii in the Mbalmayo Forest Reserve, Cameroon, is described. The species is remarkable due to the large basidiomata with shallow orange yellow umbilicus, long central stipe accompanied by similar long rhizomorphs on thickened basal mycelium and large lacrymiform to sigmoid basidiospores. The coarsely plicate pilei with lilac, violet to dark violaceous tints, and large distant adnate lamellae are reminiscent macroscopically of the tropical African species M. bekolacongoli. The phylogenetic relationship among M. mbalmayoensis and M. bekolacongoli was assessed, extended to other species of sects. Globulares and Sicci based on DNA sequences. Phylogenetic analysis based on nuc-LSU rDNA sequence data of selected Marasmiaceae taxa confirmed the placement of M. mbalmayoensis within the Marasmius spp. and its phylogenetic separation from M. bekolacongoli. Amyloflagellula inflata, which a BLAST analysis closely related to M. mbalmayoensis, clustered in the same clade with M. mbalmayoensis and M. bekolacongoli. The findings also indicated the complexity of M. bekolacongoli.
Energy, exergy, and milling performance of parboiled paddy: an industrial LSU dryer.
Drying is an important issue for all paddy-producing countries in the world. Paddy drying facts and figures in industrial LSU (Louisiana State University) dryer for the major rice processing areas in Bangladesh were investigated in this research. Performance of selected industrial LSU dryer was assessed in terms of drying characteristics, energy and exergy analysis, and drying efficiency. Quality evaluation in terms of head rice yield (HRY) of the milled product was also analyzed. Analyzed results revealed that 7.0–10.0 h drying time required for reducing parboiled moisture content to 14% (wet basis). Energy analysis indicated that specific electrical and thermal energy varied between 0.34–0.51 and 14.41–28.81 MJ/kg H2O evaporated, respectively. Average drying efficiency of the dryers in the selected drying complexes ranged between 50.30% and 59.80%. Exergy inflow and exergy losses were found to be reduced during the last 2.0–3.0 h of drying the parboiled paddy while exergy outflow gradually increased throughout the drying period. Exergy efficiency of the dryers varied from 43.63% to 67.21% for parboiled paddy drying. HRY of dried products contrasted between 50% and 54%. Results of the present investigation suggest that there is a positive prospect of enhancing energetic as well as exergetic performance and quality of the dried product. [ABSTRACT FROM AUTHOR]
Chaenothecopsis in a Molecular Phylogeny Based on Nuclear rDNA ITS and LSU Sequences
Bayesian inference analyses of nuclear LSU rDNA sequences showed Verrucariales and Eurotiales to form the sistergroup of Mycocaliciales. A more detailed analysis of ITS rDNA sequences showed Sphinctrinaceae to be embedded in Mycocaliciaceae. Mycocaliciales contain two major lineages. Intron occurrence and phylogeny was partly congruent with the ITS-based phylogeny. Chaenothecopsis is paraphyletic with respect to Phaeocalicium, Mycocalicium, Sphinctrina and Stenocybe. Some morphological features traditionally used for characterising Chaenothecopsis and other genera in Mycocaliciales, such as ascus apex structure and stalk anatomy, were found to be homoplasious, while others, such as spore septation, intron distribution and nutritional biology, were consistent with major clades in the analysis. Within the two major clades of Mycocaliciales some subclades are strongly supported and well characterized by anatomical, nutritional and intron features.
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Archive Records

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FAQ

172
Can I request materials of interest before I arrive?
Yes, you have the option to place requests to view materials in our reading room after you have set up an online account. First, create a Special Collections Request System account (https://specialcollections.lib.lsu.edu/logon) . We highly suggest that you make a request in advance because some materials must be retrieved from an off-site storage facility (requiring 48 business hours of advanced notice) and in-house materials can only be retrieved by staff from our closed stacks. Visit the librarys public catalog. (https://lsu.ent.sirsi.net/client/en_US/lsu) TIP: In the first drop down box that defaults to Everything, simply select Special Collections and then conduct your search. Click on the Request Item link in the catalog record to place your request. Yes, you have the option to place requests to view materials in our reading room after you have set up an online account. First, create a Special Collections Request System account (https://specialcollections.lib.lsu.edu/logon) . We highly suggest that you make a request in advance because some materials must be retrieved from an off-site storage facility (requiring 48 business hours of advanced notice) and in-house materials can only be retrieved by staff from our closed stacks. Visit the librarys public catalog. (https://lsu.ent.sirsi.net/client/en_US/lsu) TIP: In the first drop down box that defaults to Everything, simply select Special Collections and then conduct your search. Click on the Request Item link in the catalog record to place your request. Answered by: Kelly Larson
Can I access an "unprocessed" collection?
It depends! This is a curator-level decision and will vary for each case. All requests for access to unprocessed collections require the Williams Center director's authorization. Any duplications of unprocessed interviews are not allowed beyond "Fair Use" unless this restriction is cleared by the director upon staff review of the item. Please note that the review process may take at least 1-2 business days, depending on the size of the collection. Answered by: Jennifer Cramer
How can I order a copy of audio, transcription, or both?
You'll want to check to see if the interview is in the Louisiana Digital Library. If it is not on the LDL, and is cataloged and available, then please follow the procedures outlined via LSU Libraries Special Collections Public Services. Be sure to have the collection number, tape number, and the name of the interviewee handy to fill out the form. Please note-these copy requests are not processed by Williams Center personnel but through Public Services, as indicated in the above procedures. The interview will be sent to you as PDF or a MP3. Answered by: Jennifer Cramer
What should I bring with me when I visit the Reading Room?
A pencil, paper for notetaking, and personal devices (e.g. laptop, tablet, cellphone, camera) are allowed in the Reading Room. Food, drinks, pens, and portable scanners are not allowed. All personal items such as bags (including laptop and camera cases), briefcases, purses, coats, and umbrellas must be left in one of the secure lockers that are provided free of charge in the lobby. Be aware that anything brought into the Reading Room is subject to search before you leave. Review our Reading Room Policies:https://lib.lsu.edu/special#specialcollectionpolicies Answered by: Kelly Larson
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Gear

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Database Listing

396
SciFinder-n
CAS SciFinder-n is the latest scientific information solution from CAS, a division of the American Chemical Society. In addition to the reference, substance, reaction and supplier content found in CAS SciFinder®, CAS SciFinder-n includes relevance-ranked results, step-by-step procedures and protocols, citation mapping, biosequence searching, retrosynthetic analysis, patent landscape mapping, touch-screen enabled structure drawing and much more—all accessible in a simple, easy-to-use interface.

You must Register for SciFinder with CAS before you can use it.

The following stipulations apply: - You must use your LSU email address when registering, as CAS will require an address with LSU's email domain when sending you a confirmation email with instructions for completing the registration process.
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Staff

101
Sigrid Kelsey
Sigrid Kelsey
Director, Scholarly Publishing & Analytics
Lois Kuyper-Rushing
Lois Kuyper-Rushing
Associate Dean of Public & Collection Services
Portrait
Kelly Larson
Special Collections Head of Research and Public Services
Portrait
Lauren Lay
Mass Communication Librarian
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