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Nineteen species of fern named for Lady Gaga; Researcher says the inspiration was literally written in the DNA sequences

Date:
October 23, 2012
Source:
Duke University
Summary:
Pop music megastar Lady Gaga is being honored with the name of a new genus of ferns found in Central and South America, Mexico, Arizona and Texas. A genus is a group of closely related species; in this case, 19 species of ferns will carry the name Gaga.

Lady Gaga and the fern gametophyte.

Pop music megastar Lady Gaga is being honored with the name of a new genus of ferns found in Central and South America, Mexico, Arizona and Texas. A genus is a group of closely related species; in this case, 19 species of ferns will carry the name Gaga.

At one stage of its life, the new genus Gaga has somewhat fluid definitions of gender and bears a striking resemblance to one of Gaga's famous costumes. Members of the new genus also bear a distinct DNA sequence spelling GAGA.

Two of the species in the Gaga genus are new to science: Gaga germanotta from Costa Rica is named to honor the family of the artist, who was born Stefani Germanotta. And a newly discovered Mexican species is being dubbed Gaga monstraparva (literally monster-little) in honor of Gaga's fans, whom she calls €œlittle monsters.€

"We wanted to name this genus for Lady Gaga because of her fervent defense of equality and individual expression," said study leader Kathleen Pryer, a Duke University biology professor and director of the Duke Herbarium. "And as we started to consider it, the ferns themselves gave us more reasons why it was a good choice."

For example, in her performance at the 2010 Grammy Awards, Lady Gaga wore a heart-shaped Armani Prive' costume with giant shoulders that looked, to Pryer's trained eyes, exactly like the bisexual reproductive stage of the ferns, called a gametophyte. It was even the right shade of light green. The way the fern extends its new leaves in a clenched little ball also reminds Pryer of Gaga's claw-like "paws up" salute to her fans.

The clincher came when graduate student Fay-Wei Li scanned the DNA of the ferns being considered for the new genus. He found GAGA spelled out in the DNA base pairs as a signature that distinguishes this group of ferns from all others.

Celebrity species abound in science. There's a California lichen named for President Barack Obama and a meat-eating jungle plant named for actress Helen Mirren. In January, an Australian horse fly described by its discoverer as "bootylicious" was named for singer Beyonce.

But those are just individual species. This is an entire genus that so far includes 19 species of ferns.

Except for the two new species, germanotta and monstraparva, the rest of the Gaga ferns are species that are being reclassified by Pryer and her co-authors. They had previously been assigned to the genus Cheilanthes based on their outward appearance. But Li's painstaking analysis of DNA using more than 80 museum specimens and newly collected plants showed they're distinct and deserving of their own genus.

New tools for genetic analysis are reorganizing the family tree of ferns, said Pryer, who is currently president of the American Fern Society, and president of the American Society of Plant Taxonomists, the scientists who name and categorize plant species.

Like most ferns, the Gaga group is "homosporous." They produce tiny spherical spores that drift to the ground and germinate into heart-shaped plants called gametophytes. These independent little organisms can be female, male or even bisexual, depending on growth conditions and what other kinds of gametophytes are around. When conditions are right, they exchange sperm between gametophytes, but when necessary they sometimes can also self-fertilize to produce a new fern.

"The biology of these ferns is exceptionally obscure and blurred by sexual crossing between species," Pryer said. "They have high numbers of chromosomes and asexuality that can lead to offspring that are genetically identical to the parent plant."

Pryer freely admits that she and her lab are big Gaga fans. "We often listen to her music while we do our research. We think that her second album, 'Born this Way,' is enormously empowering, especially for disenfranchised people and communities like LGBT, ethnic groups, women -- and scientists who study odd ferns!" Pryer said.

"What a remarkable, unexpected, perfect tribute to name a genus of ferns for Lady Gaga," said Duke faculty member Cathy N. Davidson, who was involved in the MacArthur Foundation's Digital Media and Learning Initiative that helped Lady Gaga to create the Born This Way Foundation, a national anti-bullying initiative. "Encouraging her fans and kids everywhere to be brave, bold, unique, creative and smart is what Lady Gaga is about," Davidson says. "It's rare that a celebrity so young gives back so much to society."

The research was funded in part by National Science Foundation, grant DEB-0717398.

Editor's Note: A YouTube video of Lady Gaga's performance at the 2010 Grammys, which helped inspire this naming honor, may be found here: http://www.youtube.com/watch?v=ehJ4PB5o6cA


Story Source:

The above story is based on materials provided by Duke University. The original article was written by Karl Leif Bates. Note: Materials may be edited for content and length.


Journal Reference:

  1. Fay-Wei Li, Kathleen M. Pryer and Michael D. Windham. Gaga, a New Fern Genus Segregated from Cheilanthes (Pteridaceae). Systematic Botany, Oct-Dec, 2012 (in press)

Cite This Page:

Duke University. "Nineteen species of fern named for Lady Gaga; Researcher says the inspiration was literally written in the DNA sequences." ScienceDaily. ScienceDaily, 23 October 2012. <www.sciencedaily.com/releases/2012/10/121023112521.htm>.
Duke University. (2012, October 23). Nineteen species of fern named for Lady Gaga; Researcher says the inspiration was literally written in the DNA sequences. ScienceDaily. Retrieved July 29, 2014 from www.sciencedaily.com/releases/2012/10/121023112521.htm
Duke University. "Nineteen species of fern named for Lady Gaga; Researcher says the inspiration was literally written in the DNA sequences." ScienceDaily. www.sciencedaily.com/releases/2012/10/121023112521.htm (accessed July 29, 2014).

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