Table Of ContentSEPTEMBER 2019 | WWW.THE-SCIENTIST.COM
OUR INNER
NEANDERTHAL
ANCIENT SECRETS IN THE
HUMAN GENOME
DRUG TRIALS
FOR FRAGILE X
DOPING ATHLETES
VS ANTI-DOPING
OFFICIALS
RETHINKING
ANIMAL RESEARCH
PLUS
NEW MODEL
ORGANISMS ON
THE BLOCK
MMIIRRUUSS
mirusbio.com/sample
©2019 All rights reserved Mirus Bio LLC. Mirus Bio is a registered trademarks of Mirus Bio LLC.
All trademarks are the property of their respective owners.
elpmas/moc.oibsurim
.CLL oiB suriM fo skramedart deretsiger a si oiB suriM .CLL oiB suriM devreser sthgir llA 9102©
.srenwo evitcepser rieht fo ytreporp eht era skramedart llA
Do More With Less
Increased reproducibility at small volumes with the epMotion® liquid handling workstations
Experience great accuracy and precision > Improves pipetting accuracy with a
from 200 nL to 1,000 L with the epMotion CV of 1.6 % at 1 µL*
liquid handling workstations. Improve > Software assistants for easy and
your reproducibility for qPCR setups, intuitive application programming
NGS library preparations, and enzymatic > Availability of 3 instrument sizes and
assays and save money by eliminating multiple upgrade options to adjust to
pipetting errors. your workflow
www.eppendorf.com/automation • 800-645-3050
031.A1.0133.C Eppendorf®, the Eppendorf Brand Design, and epMotion® are registered trademarks of Eppendorf AG, Germany.
All rights reserved including graphics and images. Copyright © 2019 by Eppendorf AG. *See Application Note 168 for more details.
SEPTEMBER 2019
Contents
THE SCIENTIST THE-SCIENTIST.COM VOLUME 33 NUMBER 09
S
E
N
Y
A
D
E.
D
N
A
E
L
G
N
A
S
S Features
E
R
NT ON THE COVER: © SCIENCESOURCE, S. ENTRESSANGLE AND E. DAYNES
E
S.
E,
C
R 30 36 44
U
O
S
E
C
EN The Doping Arms Race Our Inner Neanderthal A Broken X
CI
S Athletes have devised ways to outsmart From skin color to immunity, human Despite a solid understanding of the
©
R; tests for performance-boosting drugs, but biology appears to be linked to our biological basis of fragile X syndrome,
K
ON scientists are working hard to get ahead. archaic ancestry. researchers have struggled to develop
M
SI BY ANNA AZVOLINSKY BYJEF AKST effective treatments. But recent trials
M, offer hope.
O
C
K. BY RANDI HAGERMAN
C
O
T
S
© I
09.2019 | THE SCIENTIST 3
SEPTEMBER 2019
Department Contents
16 13 FROM THE EDITOR 59 LAB TOOLS
We’re Different, We’re the Same Genetics’ Next Top Models
Diversity is a strength. And so is a You’re well-acquainted with
full appreciation of our similarities. Drosophila, C. elegans, and the
BY BOB GRANT humble lab mouse, but lesser-known
model systems are poised to make
16 NOTEBOOK their mark.
Impervious; Stellar Influence?; BY AMBER DANCE
Help for Hellbenders; Complex
Inheritance 63 CAREERS
Fixing Animal Research
28 CRITIC AT LARGE Many in vivo preclinical studies are
Diversify Our Human Genomic Data poorly designed and generate
To better understand the biology irreproducible data, but efforts to
of our species and to make address the problem are on the rise.
individualized medicine accessible BY DIANA KWON
to all, we need to consider the
52
HY comprehensive genetic makeup of a 67 READING FRAMES
P
RA wider swath of humanity. Meeting Our Maker
G
O BY CHARLES LEE Humans are the first species to
T
HO decipher the genetic code that
P
N 28 MODUS OPERANDI underlies our biology, but does it
O
DS Optogenetics Sans Genetics hold all the answers?
R
HA DNA-coated gold nanorods enable BY BILL SULLIVAN
C
RI cells to be activated by light without
N
KE genetic manipulation. 72 FOUNDATIONS
L; © BY RUTH WILLIAMS Modern Synthesis, 1937
WE BY CHIA-YI HOU
AL 52 THE LITERATURE
R
M, A synthetic ion channel makes plants IN EVERY ISSUE
O
O.C grow faster; a new family of viruses; 10 CONTRIBUTORS
OT potential biomarkers of suicidal 15 SPEAKING OF SCIENCE
H
KP thoughts in PTSD patients 71 THE GUIDE
C 57
O
T
© IS 54PROFILE ANSWEPRU ZZLE ON PAGE 15
RIA; Defining Rare Disorders
TO Judith Hall was instrumental in L U N A MO T H R A S H
E
PR incorporating genetics into medical I I I O N O
F M A N I C U R E R A I N
O practice, describing previously
Y E E R R J T E
T unknown disorders.
RSI T O X I C O L O G Y
E BY ANNA AZVOLINSKY
V C W F D S M B
NI
U A N I M A L S H R I K E
NS, 57 SCIENTIST TO WATCH T N U S U C E
A
H Cigall Kadoch: Unraveling Cancer A L G O N Q U I A N
N
EY BY CHIA-YI HOU R S A N T C T
L
D K A L P S S T A R G A Z E
AL C A A E V N
W
DE T U N A I N H E R E N T
09.2019 | THE SCIENTIST 5
SEPTEMBER 2019
OOnnlliinnee CCoonntteennttss
THIS MONTH AT THE-SCIENTIST.COM:
VIDEO VIDEO VIDEO
Fragile Xpert Genomic Medicine’s Future Neanderthals in Our Family Tree
The MIND Institute’s Randi Hagerman Charles Lee, scientific director of Vanderbilt University’s Tony Capra, who
discusses symptoms and treatment in the Jackson Laboratory for Genomic is quoted in this month’s feature article on
children with fragile X. Medicine, talks about his vision for Neanderthal DNA in modern genomes,
how genomic discovery will fuel discusses the effects of interbreeding
individualized medicine. between ancient hominin groups.
AS ALWAYS, FIND BREAKING NEWS EVERY DAY ON OUR WEBSITE.
Coming in October
HERE’S WHAT YOU’LL FIND IN NEXT MONTH’S ISSUE
• How air pollution could be affecting the human brain
• Scientists’ emerging understanding of neutrophil
extracellular traps
В
О
АТ
Л
• A new view of Parkinson’s disease ФИ
Й
Е
С
К
• How could the Trump administration’s suggested ban on ЛЕ
А
fetal tissues in research hurt vaccine development? M,
O
C
K.
C
O
AND MUCH MORE T
S
© I
6 THE SCIENTIST | the-scientist.com
Get A Great Assay
Go from good to great by following
our ELISA guide
DOWNLOAD
Learn more at rndsystems.com/elisa The ELISA Guide
Global bio-techne.com [email protected] TEL +1 612 379 2956 USA TEL 800 343 7475 Canada TEL 855 668 8722
Europe | Middle East | Africa TEL +44 (0)1235 529449 China TEL +86 (21) 52380373
For research use or manufacturing purposes only. Trademarks and registered trademarks are the property of their respective owners.
415 Madison Avenue,
Suite 1508,
New York, NY
10017
E-mail: [email protected]
EDITORIAL DESIGN ADVERTISING, MARKETING, EDITORIAL ADVISORY BOARD
EDITOR-IN-CHIEF AND PRODUCTION ADMINISTRATION Roger Beachy
Bob Grant PRODUCTION MANAGER ASSOCIATE SALES DIRECTOR Donald Danforth Plant Science
[email protected] Greg Brewer Key Accounts Center
[email protected] Ashley Haire Steven A. Bent
MANAGING EDITOR [email protected] Foley and Lardner LLP
Jef Akst ART DIRECTOR
[email protected] Erin Lemieux SENIOR ACCOUNT Deborah Blum
[email protected] EXECUTIVES University of Wisconsin
SENIOR EDITOR Western US, Western
Annette Doherty
Kerry Grens INTERIM ART DIRECTOR Canada, ROW Pfizer Global Research
[email protected] Luiza Augusto Karen Evans and Development
[email protected] [email protected]
ASSOCIATE EDITORS Kevin Horgan
Catherine Offord VIDEO PRODUCTION Northeast US, Eastern GE Healthcare
[email protected] COORDINATOR Canada, Europe Steve Jackson
Roger Blanchard Dana Sizing University of Cambridge
Shawna Williams [email protected] [email protected]
[email protected] Simon Levin
ACCOUNT EXECUTIVE Princeton University Center
Ashley Yeager CREATIVE SERVICES Midwest and Southeast US for BioComplexity
[email protected] DIRECTOR Anita Bell Edison Liu
CONTRIBUTING EDITOR Kristie Nybo [email protected] Genome Institute of Singapore
Alla Katsnelson [email protected] DIRECTOR OF MARKETING Peter Raven
SENIOR SCIENTIFIC Alex Maranduik Missouri Botanical Garden
COPY EDITOR
Annie Gottlieb TECHNICAL EDITOR [email protected] Joseph Schlessinger
Nathan Ni AUDIENCE DEVELOPMENT Yale University School
CORRESPONDENTS [email protected] SPECIALIST of Medicine
Anna Azvolinsky SCIENTIFIC TECHNICAL EDITORS Matthew Gale J. Craig Venter
Abby Olena Kathryn Loydall [email protected] J. Craig Venter Institute
Ruth Williams
[email protected] EVENTS MANAGER Marc Vidal
Dana Farber Cancer Institute
INTERNS Niki Spahich Cayley Thomas
Harvard University
Chia-Yi Hou [email protected] [email protected]
Nicoletta Lanese H. Steven Wiley
MULTIMEDIA MARKETING SALES AND MARKETING Biomolecular Systems Pacific
SOCIAL MEDIA EDITOR COORDINATOR COORDINATOR Northwest National Laboratory
Lisa Winter Meaghan Brownley Katie Prud’homme
Alastair J.J. Wood
[email protected] [email protected] [email protected] Symphony Capital
BUSINESS DEVELOPMENT
MANAGEMENT
ADMINISTRATOR
AND BUSINESS SUBSCRIPTION RATES & SERVICES
Amanda Purvis
In the United States & Canada individual subscriptions:
PRESIDENT [email protected] $39.95. Rest of the world: air cargo add $25.
Bob Kafato CUSTOMER SERVICE For assistance with a new or existing subscription
[email protected] please contact us at:
[email protected]
Phone: 847.513.6029
GENERAL MANAGER Fax: 847.763.9674
Ken Piech E-mail: [email protected]
Mail: The Scientist, PO Box 2015, Skokie, Illinois 60076
[email protected]
For institutional subscription rates and services visit
MANAGING PARTNER www.the-scientist.com/info/subscribe or
e-mail [email protected]
Mario Di Ubaldi
LIST RENTALS
[email protected]
POSTMASTER: Send address changes to The Scientist, PO Box 2015, Skokie, Illinois Contact Statlistics, Jennifer Felling at
VICE PRESIDENT 60076. Canada Publications Agreement #40641071 The Scientist is indexed in 203-778-8700 or [email protected]
Current Contents, Science Citation Index, BasicBIOS IS, and other databases. Articles published
GROUP PUBLISHING DIRECTOR in The Scientist reflect the views of their authors and are not the official views REPRINTS
Contact Katie Prud’homme at [email protected]
Robert S. D’Angelo of the publication, its editorial staff, or its ownership. The Scientist is a registered trademark of
[email protected] LabX Media Group Inc. The Scientist® (ISSN 0890-3670) is published monthly. PERMISSIONS
Advertising Office: The Scientist, 415 Madison Avenue, Suite 1508, New York, NY 10017. For photocopy and reprint permissions, contact
Periodical Postage Paid at New York, NY, and at additional mailing offices. Copyright Clearance Center at www.copyright.com
8 THE SCIENTIST | the-scientist.com