Practice Location

13 WESTERN MARYLAND PARKWAY
HAGERSTOWN, MD 21740-5146

Phone: (301) 665-4575

What does ROBERTA ROTHEN research?

Dr. Rothen studies how proteins are transported into chloroplasts, which are vital for photosynthesis in plants. She specifically investigates the impact of various conditions, such as the presence of nickel ions, on this transport process. Additionally, she examines hip replacement procedures, particularly the effectiveness of different implant types over time. Her research helps to enhance understanding in both plant science and surgical practices.

Key findings

  • In her 1996 study, Dr. Rothen found that nickel ions (Ni2+) at concentrations of 0.5 to 10 mM inhibited the import of a protein with a hexahistidine tail into chloroplasts.
  • Her research in 1996 revealed that 51% of the non-porous titanium sockets used in hip replacements had moved out of place after an average of 4.5 years, leading to additional surgeries for 11 patients.
  • In a 1992 study, she discovered that a specific import protein binds strongly to chloroplasts with interaction strengths measured at around 5.9 billionths of a mole.

Frequently asked questions

Does Dr. Rothen study plant biology?
Yes, Dr. Rothen focuses on how proteins are imported into chloroplasts, which is crucial for plant growth and photosynthesis.
What types of implants has Dr. Rothen researched?
Dr. Rothen has researched the effectiveness of non-porous titanium sockets used without cement in hip replacements.
Is Dr. Rothen's work relevant to patients needing hip replacements?
Absolutely. Her findings on the reliability of hip replacement implants are important for patients considering this surgery.

Publications in plain English

Import inhibition of poly(His) containing chloroplast precursor proteins by Ni2+ ions.

1997

FEBS letters

Rothen R, Thiess M, Schumann P, Boschetti A

Plain English
The study looked at how nickel ions (Ni2+) affect the import of specific proteins into chloroplasts, which are important for plant photosynthesis. Researchers found that while two types of proteins were imported similarly, the presence of nickel ions stopped one modified protein (with a hexahistidine tail) from being imported into the chloroplasts, while the other protein was unaffected. This matters because understanding how certain conditions impede protein import can help scientists learn more about the processes involved in plant development. Who this helps: This helps researchers studying plant biology and protein transport.

PubMed

Failure of a non-porous-coated acetabular component inserted without cement in primary total hip arthroplasty.

1996

The Journal of bone and joint surgery. American volume

Muldoon MP, Padgett DE, Rothen R, Cady GW, Melillo AS

Plain English
This study looked at 34 patients who had new hip replacements using a specific type of non-porous titanium socket without cement. After about 4.5 years, the researchers found that more than half of these sockets (51%) had moved out of place, leading to the need for surgery to fix 11 of them. This matters because it shows that this type of socket may not work well over time, raising concerns about its reliability for patients needing hip replacements. Who this helps: This helps patients considering hip replacement options.

PubMed

Import inhibition of poly(His) containing chloroplast precursor proteins by Ni2+ ions.

1996

FEBS letters

Rothen R, Thiess M, Schumann P, Boschetti A

Plain English
This study looked at how certain proteins are transported into chloroplasts, specifically focusing on a protein with a special tail made of histidine (pSS(His)6). Researchers found that when nickel ions (Ni2+) were present, the import of this particular protein was blocked, while a similar protein without the histidine tail was not affected. The research showed that 0.5 to 10 mM of Ni2+ could inhibit the protein import, helping scientists understand more about the early steps of how proteins enter chloroplasts. Who this helps: This benefits researchers studying plant biology and protein transport.

PubMed

Binding of an import protein to intact chloroplasts and to isolated chloroplast envelopes of Chlamydomonas reinhardii.

1992

FEBS letters

Su QX, Niklaus A, Rothen R, Boschetti A

Plain English
This study looked at how a specific protein (pSS) binds to chloroplasts, the energy-producing structures in plant cells, particularly from a green alga called Chlamydomonas reinhardii. Researchers found that this protein attached to both the outer layer of the chloroplasts and the entire chloroplast with a very strong bond, measured at around 5.9 billionths and 2.9 billionths of a mole, respectively. This is important because understanding these binding interactions can help reveal more about how proteins get into chloroplasts, which is crucial for plant growth and energy production. Who this helps: This benefits plant biologists and researchers working on agricultural improvements.

PubMed

Frequent Co-Authors

A Boschetti M Thiess P Schumann M P Muldoon D E Padgett G W Cady A S Melillo Q X Su A Niklaus

Physician data sourced from the NPPES NPI Registry . Publication data from PubMed . Plain-English summaries generated by AI. Not medical advice.