From BIOSCI-REQUEST  Thu Feb  1 09:02:46 1996
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Date: Thu, 01 Feb 1996 12:01:55 -0500
To: rna@net.bio.net
From: Barry Henderson <barry@aars.mit.edu>
Subject: Extracting thermodynamic parameters from melting curves

Hi-

I need to extract enthalpy, entropy and free energy values from thermal
denaturation curves of small RNAs.  The melts were generated on a Cary 3 but
the software that comes along with the instrument is marginal at best for
conducting this type of analysis.

Is there any software available that will assist me in this type of analysis.  

Thanks,

Barry
Barry Henderson

Postdoctoral Fellow
MIT
Department of Biology

(617) 253-0808 (Voice)
(617) 253-6636 (FAX)


From BIOSCI-REQUEST  Thu Feb  1 09:45:39 1996
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From: dcs@proton.chem.yale.edu (Dave Schweisguth)
Message-Id: <199602011743.MAA17502@proton.chem.yale.edu>
Subject: Re: Extracting thermodynamic parameters from melting curves
To: rna@net.bio.net (RNA mailing list)
Date: Thu, 1 Feb 1996 12:43:25 -0500 (EST)
In-Reply-To: <2.2.32.19960201170155.002cfa40@aars.mit.edu> from "Barry Henderson" at Feb 1, 96 12:01:55 pm
Organization: Dept. of Chemistry, Yale University
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Barry,

> I need to extract enthalpy, entropy and free energy values from thermal
> denaturation curves of small RNAs.  The melts were generated on a Cary 3
> but the software that comes along with the instrument is marginal at best
> for conducting this type of analysis.  Is there any software available that
> will assist me in this type of analysis.

Ask David Draper <draper@jhunix.hcf.jhu.edu> for a copy of his MeltFit
software for Macintoshes. Alternatively, Fudgit (FTPable from
ftp.physics.mcgill.edu) is a nice general curve-fitting package with which
you could handle melt data and many other things.

Cheers,

-- 
| Dave Schweisguth                        For purposes of complying with    |
| dcs@proton.chem.yale.edu (MIME OK)      the New Jersey Right to Know Act: |
| http://proton.chem.yale.edu/~dcs/       Contents partially unknown.       |
| Yale Depts. of MB&B & Chemistry   Phone: 203-432-5208   Fax: 203-432-6144 |

From BIOSCI-REQUEST  Thu Feb  1 13:29:30 1996
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From: Ernesto Perez <ernesto@cifn.unam.mx>
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subscribe RNA ernesto@cifn.unam.mx


From BIOSCI-REQUEST  Wed Feb  7 09:37:48 1996
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From: CHISHOLM@bcrssu.agr.ca
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Date: 07 Feb 1996 12:28:37 -0400 (EDT)
Subject: cDNA from total RNA
To: rna <rna@net.bio.net>
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Does anyone have a protocol for synthesizing cDNAs from total RNA?
I'm interested in making a cDNA library and have not had much success
going through an oligodT column. I'm not sure about the polyA tails
on the RNA (it's from fruit). Thanks
J Chisholm

From BIOSCI-REQUEST  Fri Feb  9 02:01:03 1996
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Date: Fri, 9 Feb 1996 02:00:26 -0800
From: BIOSCI Administrator <biohelp>
Message-Id: <199602091000.CAA07974@net.bio.net>
To: rna@net.bio.net
Subject: BIOSCI miniFAQ, ver. 14-DEC-95

(LAST REVISION: 14-DEC-95)

This BIOSCI "miniFAQ" is designed to answer the questions that come up
the *most frequently*.  The main BIOSCI FAQ (Frequently Asked
Questions) is accessible on the World Wide Web at URL
http://www.bio.net/.

	Contents:
	--------
	1) Using the WWW to access the BIOSCI/bionet newsgroups.

	2) What to do about "spams," i.e., junk mail, ads, etc.

	3) Examples of subscribing and unsubscribing to the mailing lists.

	4) The BIOSCI user address and research interest directory.


1) Using the WWW to access the BIOSCI/bionet newsgroups.
--------------------------------------------------------
As of 10 December 1995, all BIOSCI/bionet full newsgroups are
accessible through the World Wide Web (WWW) at URL http://www.bio.net.
One can read and reply publicly or privately to both recent postings
and archived messages through one's Web browser if it is configured
properly to send e-mail.  Each newsgroup is equipped with its own WAIS
index in addition to the master index for the entire set.  The main
BIOSCI home page also has access to the BIO-JOURNALS Table of Contents
database WAIS index and the BIOSCI user address database described in
another item further below.


2) What to do about "spams," i.e., junk mail, ads, etc.
-------------------------------------------------------
BIOSCI is a set of parallel USENET newsgroups (the "bionet" groups),
mailing lists, and a hypermail archive at URL http://www.bio.net/.
The same postings are distributed on all media (except for a small
number of mailing-list-only groups at net.bio.net).  Unfortunately it
is becoming a despicable practice on the Internet (by a few people out
to make a fast buck) to do automated mass postings to thousands of
newsgroups and mailing lists.  These attempts to grab free advertising
are refered to as "spams" in the usual, somewhat boneheaded, net
terminology.  USENET is more susceptible to this practice, and many
spams originate on the USENET groups and then are passed on to the
mailing lists.  However, spammers also get lists of mailing addresses
and hit these too, so neither medium is immune.

What should you do personally if you get junk mail?
---------------------------------------------------
Just delete it and move on without reading it further.  Filing a
protest is becoming increasingly useless because spammers are often
disguising the addresses where the messages are sent from.  Unless you
really understand Internet mail systems, your attempt at protest by
sending replies to the message will often end up being sent to the
address of an innocent person that the spammer is victimizing.

What can BIOSCI/bionet do to protect its newsgroups?
----------------------------------------------------
The only solution currently available is to moderate the newsgroup.
If this newsgroup is already moderated, then you are in good shape.
Moderation protects the USENET distribution from about 95% of the
spams that are being sent to date and protects the mailing lists
completely.  Moderation means, however, that someone has to take the
time to review each message before it goes out.  We have set up
software here that simply allows the moderator to forward to an
address at net.bio.net messages that (s)he wishes to have distributed.
This takes no more time than that needed to read the message and pass
it on, say about 1 min. per message.

Most newsgroups currently have a discussion leader who is responsible
for their newsgroup.  The discussions leaders and their e-mail
addresses are listed in the BIOSCI Information Sheet which is
available on the Web at http://www.bio.net/.  If a newsgroup is being
hit with too many junk postings, please contact the discussion leader
for that group and see if there is interest in moderating the group.
Please do not assume that by simply posting a complaint to the
newsgroup itself, anyone on the BIOSCI staff will act on your
complaint.  With close to 100 newsgroups to run, the BIOSCI staff has
to rely on the discussion leaders of each newsgroup to report problems
directly to us at biosci-help@net.bio.net.

We will moderate any of our newsgroups if the discussion leader tells
us that the readership of the group wishes to do so and if a moderator
is willing to do the work.  For most BIOSCI/bionet groups, this
entails only a few minutes of work each day.

Moderating a newsgroup will resolve probably 95% of the junk postings
on the USENET distribution.  Unfortunately there are easy ways for
determined spammers to override the moderation mechanism on USENET,
but we can protect our e-mail subscribers from unwanted postings if
the newsgroup is moderated.  You can also access our newsgroups over
the WWW at URL http://www.bio.net.  While this Web interface will not
stop spammers from trying to post to the groups, this will give you
yet another way, besides using USENET news, to keep the junk out of
your personal mail files.  For those of you with local USENET news
systems, the Web interface will also give you faster access to new
newsgroups and recent postings.


3) Examples of subscribing and unsubscribing to the mailing lists.
------------------------------------------------------------------
PLEASE NOTE: The BIOSCI management does NOT act on
subscription/unsubscription requests that are posted improperly to the
newsgroups and mailing lists.  People who do this only bother everyone
on the lists to no avail.  Please be sure to follow the proper
procedures below.

Gory details are in the BIOSCI Information sheets on the Web at
http://www.bio.net.  Below we give an example utilizing the
METHODS-AND-REAGENTS list at both of our two BIOSCI sites:

Users in the Americas and Pacific Rim countries who use the BIOSCI
------------------------------------------------------------------
node at computer net.bio.net:
----------------------------

A) Determine the "listname" which is the <=8 character mail address
                                         ^^^^^^^^^^^^^
   for the group.  These can be found in the BIOSCI Info. Sheet.  For
   the METHODS-AND-REAGENTS group the mailing address is
   methods@net.bio.net.  The listname is the portion of the address to
   the left of the @ sign, i.e., "methods".  The listname is used with
   the "subscribe" and "unsubscribe" commands illustrated below.

B) Mail all commands in the body of a mail message addressed to
   biosci-server@net.bio.net.  Do NOT send commands to the newsgroup
   posting addresses!  Leave the Subject: line blank, any text on it
   will be ignored.

C) In the body of your message put one or more of the following
   commands with an "end" command on the last line, e.g.,

   subscribe methods
   unsubscribe methods
   end

   Do NOT put your e-mail address or other text on these lines.  The
   server only allows you to cancel your subscription if the address
   on your mail header matches the address on our mailing list.
   Please ask for help at biosci-help@net.bio.net if your address has
   changed, e.g., if you know you are on the list but the server tells
   you that you are not a member.


Users in Europe, Africa, and Central Asia who use the BIOSCI node at
--------------------------------------------------------------------
computer daresbury.ac.uk (also known as dl.ac.uk):
-------------------------------------------------

To subscribe and unsubscribe to/from the BIOSCI lists, you need to
specify the full USENET newsgroup name with "bionet-news." prepended.
The USENET newsgroup names are listed in the BIOSCI Information sheet
on the Web at http://www.bio.net/.  For the METHODS-AND-REAGENTS list
the USENET newsgroup name is bionet.molbio.methds-reagnts, thus the
appropriate commands are

    sub bionet-news.bionet.molbio.methds-reagnts

    unsub bionet-news.bionet.molbio.methds-reagnts

These commands are included in a message addressed to mxt@dl.ac.uk,
NOT to the newsgroup mailing addresses.  As usual, include the text in
the body of the message as text on the Subject: line is ignored.

To unsubscribe from all the lists at the UK node, use

    unsub bionet-news

Please note that if the address in the list is different than the one
in your mail message header, you will not be able to unsubscribe by
this method. If you have problems, please mail biosci@daresbury.ac.uk.


4) The BIOSCI user address and research interest directory.
-----------------------------------------------------------
Please take this opportunity to add your name, address, and research
interest information to the BIOSCI User Address Database if you have
not already done so.

You can fill out the address form directly through our Web page at URL
http://www.bio.net/adrform.html.

The address database is reindexed nightly for WWW access (the URL is
http://www.bio.net/).  If you are not directly on the Internet but can
reach it by e-mail, please use our waismail server to access the user
directory.  waismail use is described above.  You can also request a
user address form by e-mail from biosci-help@net.bio.net.

Please check your database entry from time-to-time to see if your
address information is still up-to-date.  Because of our limited
personnel resources, we ask that you resubmit a *complete* form to
revise your entry; we only replace complete entries and do not have
resources to edit old forms.

				Sincerely,

				Dave Kristofferson
				BIOSCI/bionet Manager

				biosci-help@net.bio.net

From BIOSCI-REQUEST  Mon Feb 12 11:22:20 1996
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	id AA824152760 Mon, 12 Feb 96 11:19:20 PST
Date: Mon, 12 Feb 96 11:19:20 PST
From: "Michael R. MULLIGAN" <RMMULLIG@uci.edu>
Encoding: 1657 Text
Message-Id: <9601128241.AA824152760@gandalf.bio.uci.edu>
To: arab-gen@net.bio.net, chlamy@net.bio.net, photosyn@net.bio.net,
        rna@net.bio.net, plantbio@net.bio.net
Subject: re:  post-doctoral position


POSTDOCTORAL POSITION IN RNA EDITING IN PLANTS

We are interested in RNA editing in plant mitochondria and chloroplasts.  RNA 
editing is a post-transcriptional process that converts cytidines to uridines, 
and consequently changes the amino acid specified by a codon.  As a result, the 
DNA encodes genes with "mistakes" that are corrected post-transcriptionally by 
editing.  My lab is funded for two projects- one project addresses the 
consequences of incomplete editing.  Some populations of transcripts are highly 
heterogeneous as a result of incomplete editing.  We have recently shown (Plant 
Cell 8:107) that both unedited and edited ribosomal protein subunit 12 mRNAs are 
translated, but only the edited translation products assemble into ribosomes.  
The incompletely edited translation products, which have aberrant amino acid 
residues, fail to accumulate as ribosomal subunits and are free in the matrix.  
A second project in the lab addresses mechanistic aspects of the editing 
process.  Funding for a post-doctoral scientist is available through grants from 
the USDA and Human Frontiers Science Program.  Applicants should send their 
resume, statement of research interests, and names and addresses of three 
referees to:

Dr. R. Michael Mulligan
Department of Developmental and Cell Biology
University of California
Irvine, CA  92717
****
    Located six miles from the ocean in Orange County, UCI is in the center of a 
flourishing high technology and cultural center.  The campus is very strong in 
biomedical research.  We are an equal opportunity employer committed to 
excellence through diversity.  

From BIOSCI-REQUEST  Mon Feb 12 12:58:37 1996
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Date: Mon, 12 Feb 1996 14:05:10 -0500
From: Les Willis <WILLISL@em.agr.ca>
To: rna@net.bio.net
Subject:  Optimizing long transcription reactions

Dear Netters:

     I would appreciate suggestions on optimizing a transcription reaction
with a very long (19.3 kB) template. Yes, that's 19.3 (not a typo). I've
been able to get the full length product but I also produce a fair amount of
smearing (above and below the band). The protocol I'm currently using is
as follows:

10 ul  ds DNA template (2ug)
10 ul  Promega 10X Transcription Buffer
  5 ul  100 mM DTT
  1 ul  RNaisin  (Promega 40 U/ul)
  3 ul  T7 RNA Polymerase (Promega 20 U/ul)
2.5ul  each rNTP  10 mM stock of each (Promega) (10 ul total)
18.5 ul  dH20
---------
 50 ul total

Overlay with mineral oil and place at 37 C for 1 hour
1ul RQ DNase (Promega  1U/ ul) added,  37 C for another 30 minutes
 Phenol/ Chloroform; Ppt with NH4Ac (2.5 M final conc.) and 3 vol EtOH

     Any tips on how to increase my yield of full length transcript would be
appreciated. Thanks in advance. Les.

Les Willis
Agriculture Canada
Summerland, B.C.
WillisL@em.agr.ca


From BIOSCI-REQUEST  Tue Feb 13 13:37:41 1996
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Date: Tue, 13 Feb 1996 16:33:36 -0500
From: Les Willis <WILLISL@em.agr.ca>
To: rna@net.bio.net
Subject:  Re:Optimizing Long Transcription Reactions - responses

Hello Everyone:

     Thanks to those of you who responded to my query about optimizing
long transcription reactions.  There were numerous suggestions
including incubating at 42C, increasing rNTP conc., lower the amount of
template, polishing the template ends, using DMSO, extending the
reaction time to 4-6 hours, using DNA binding proteins, stabilizing with
BSA, etc. 
     I plan to do tests to explore a number of these suggestions. I also
have deletions of the 19.3 kB template (17, 15, 13, 11kB) which will also
(hopefully) be tested. I'll let everyone know what I find works best.
Thanks again for the help. Les.

Les Willis
Agriculture Canada
Summerland, B.C.
WillisL@em.agr.ca


From BIOSCI-REQUEST  Thu Feb 15 15:22:46 1996
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Date: Thu, 15 Feb 1996 18:21:20 -0500 (EST)
From: HECKATHO@B.PSC.EDU
To: rna@net.bio.net
Message-Id: <960215182120.20402d62@B.PSC.EDU>
Subject: Pittsburgh Supercomputing Center 1996 Biomed Workshops

**************************************************************************

                  PITTSBURGH SUPERCOMPUTING CENTER
                  BIOMEDICAL SUPERCOMPUTING INITIATIVE

Biomedical Workshops offered by the Pittsburgh Supercomputing Center
typically consist of theoretical lectures taught by
leaders in the respective scientific discipline,  and extensive hands-on
computer sessions. During the computer sessions, participants are able to work
on the examples provided or on their own experimental data.
Attendance is limited to 20 participants to allow one-on-one instruction
and encourage scientific interactions and discussions.
Application deadlines are six weeks prior to the workshop. Researchers
nationwide are invited to apply.
For additional information, please refer to
        http://www.psc.edu/biomed/workshops.html
CONTACT INFORMATION: Nancy Blankenstein, Biomedical Program Assistant,
(412)268-4960, blankens@psc.edu
TO APPLY FOR A WORKSHOP, please fill out the application form.

The following four workshops will be offered during 1996:

SUPERCOMPUTING TECHNIQUES FOR BIOMEDICAL RESEARCHERS; May 5-9.
The purpose of this workshop is to introduce attendees to the
concepts of supercomputing.  The main goal is to provide researchers
with a firm basis from which to analyze their applications for implementation
in a supercomputing environment.  After a brief introduction to
PSC's supercomputing environment,
including the architectures of the CRAY C90 and T3E, various vector and
massively parallel programming models will be discussed.  Message passing,
performance monitoring, optimization techniques, and
heterogeneous supercomputing will be
introduced with emphasis on practical considerations.  Specific real-world
biomedical supercomputing applications will be presented to illustrate these
concepts.  Finally, a panel discussion will attempt to address researchers'
individual application questions.

NUCLEIC ACID AND PROTEIN SEQUENCE ANALYSIS; June 9-14.
Emphasis will be on alignment of and pattern extraction from multiple
sequences. Topics to be discussed include
 Comparing and aligning sequences
 Identifying informative patterns in a set of sequences
 Using extracted informative patterns to identify related sequences.
Leaders are Dr. Gary Churchill, Cornell University;
Dr. Michael Gribskov, San Diego Supercomputing Center and
Dr. Hugh B. Nicholas, Jr., Pittsburgh Supercomputing Center.

METHODS AND APPLICATIONS OF MOLECULAR MECHANICS AND DYNAMICS TO MOLECULES
OF BIOLOGICAL INTEREST; August 7-10.
Instructors include  Dr. David Case, the Scripps Research Institute,
Thomas Cheatham III, UCSF; Prof. Peter A. Kollman, UCSF, Dr. David A. Pearlman,

Vertex Pharmaceuticals; and Bill Ross, UCSF.
General aspects of molecular mechanics and dynamics theory and software
will be discussed. The program AMBER will be utilized extensively
in demonstrations.

ADVANCED NUCLEIC ACID AND PROTEIN SEQUENCE ANALYSIS; Dates TBA;
subject to funding availability.
Open to researchers who have previously attended one of the PSC's
annual "Nucleic Acid and Protein Sequence Analysis" workshops or who
have appreciable experience with computerized sequence analysis.  The
workshop will build on previous experience to teach techniques for
analyzing families and superfamilies of genes and proteins.


Please fill out the following application form.

APPLICATION FORM - Biomedical Workshop
Application Deadline: six weeks prior to each workshop.

                  PITTSBURGH SUPERCOMPUTING CENTER
                  BIOMEDICAL SUPERCOMPUTING INITIATIVE
                  WORKSHOP APPLICATION FORM


Workshop I am interested in attending:_____________________________________

Name:          ________________________________________________________________


Affiliation:   ________________________________________________________________


Address:       ________________________________________________________________

              (Business)
               ________________________________________________________________


               ________________________________________________________________

               (Home)

               ________________________________________________________________


Telephone:  ____________________________         ______________________________

                   (Business)                                (Home)

*Social Security Number:  _______-_____-_______ Citizenship:___________________


Electronic Mail Address:_______________________________________________________


Status: ___Graduate  ___Post-doctoral Fellow  ___Faculty  ___Other (specify)

Please indicate specifically any special housing, transportation or dietary
arrangements you will need: ___________________________________________________


How did you learn about this workshop:_________________________________________


REQUIREMENTS:
Applicants must submit a completed application form and a cover letter.  The
letter should describe, in one or two paragraphs, your current research, and
how participating in the workshop
will enhance this research.  Please include a brief statement describing your
level of experience with computers.  Faculty members, staff and post-docs
should provide a curriculum vitae.  Graduate students must have a letter
of recommendation from a faculty member.

Please return all application materials six weeks before the workshop
 you are applying for to:

  Biomedical Workshop Applications Committee
      Pittsburgh Supercomputing Center
      4400 Fifth Avenue, Suite 230C
      Pittsburgh, PA 15213


*Disclosure of Social Security Number is voluntary.

PSC does not discriminate on the basis of race, color, religion, sex, age,
creed, national or ethnic origin, or handicap.

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"Si pequena es la Patria, uno grande la suena..."

Ruben Dario


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"Si pequena es la Patria, uno grande la suena..."

Ruben Dario


