نتایج جستجو برای: ramalina polymorpha

تعداد نتایج: 1625  

2014
Adam Kawałek Ida J. van der Klei

Dietary restriction is generally assumed to increase the lifespan in most eukaryotes, including the simple model organism Saccharomyces cerevisiae. However, recent data questioned whether this phenomenon is indeed true for yeast. We studied the effect of reduction of the carbon source concentration on the chronological lifespan of the yeast Hansenula polymorpha using four different carbon sourc...

Journal: :Applied and environmental microbiology 2003
So-Young Kim Jung-Hoon Sohn Jung-Hoon Bae Yu-Ryang Pyun Michael O Agaphonov Michael D Ter-Avanesyan Eui-Sung Choi

A high frequency of transformation and an equal gene dosage between transformants are generally required for activity-based selection of mutants from a library obtained by directed evolution. An efficient library construction method was developed by using in vivo recombination in Hansenula polymorpha. Various linear sets of vectors and insert fragments were transformed and analyzed to optimize ...

Journal: :Plant physiology 2014
Aino Komatsu Mika Terai Kimitsune Ishizaki Noriyuki Suetsugu Hidenori Tsuboi Ryuichi Nishihama Katsuyuki T Yamato Masamitsu Wada Takayuki Kohchi

Blue-light-induced chloroplast photorelocation movement is observed in most land plants. Chloroplasts move toward weak-light-irradiated areas to efficiently absorb light (the accumulation response) and escape from strong-light-irradiated areas to avoid photodamage (the avoidance response). The plant-specific kinase phototropin (phot) is the blue-light receptor for chloroplast movements. Althoug...

Journal: :FEBS letters 2007
Katarzyna B Moscicka Sandra H Klompmaker Dongyuan Wang Ida J van der Klei Egbert J Boekema

We have studied Hansenula polymorpha Pex5p and Pex20p, peroxins involved in peroxisomal matrix protein import. In vitro binding experiments suggested that H. polymorpha Pex5p and Pex20p physically interact. We used single particle electron microscopy (EM) to analyze the structure of purified Pex5p and its possible association with Pex20p. Upon addition of Pex20p, a multimeric Pex20p complex was...

2012
Debashish Bhattacharya Dana C. Price Hwan Su Yoon Eun Chan Yang Nicole J. Poulton Robert A. Andersen Sushma Parankush Das

Two cases of primary plastid endosymbiosis are known. The first occurred ca. 1.6 billion years ago and putatively gave rise to the canonical plastid in algae and plants. The second is restricted to a genus of rhizarian amoebae that includes Paulinella chromatophora. Photosynthetic Paulinella species gained their plastid from an α-cyanobacterial source and are sister to plastid-lacking phagotrop...

Journal: :Zeitschrift fur Naturforschung. C, Journal of biosciences 2010
Babita Paudel Hari Datta Bhattarai Hong Kum Lee Hyuncheol Oh Hyun Woung Shin Joung Han Yim

The development of new antibacterial compounds is an urgent issue to meet the evolution of resistivity of pathogenic bacteria against the available drugs. The objective of this study was to investigate the antibacterial compounds from the Antarctic lichen species Ramalina terebrata. A total of five compounds, usnic acid, usimine A, usimine B, usimine C, and ramalin, were isolated by bioactivity...

ژورنال: مرتع 2020
Dashtizadeh, Mahmood, Kabiri Fard, Abdlomahdi, Kamali, Amirarsalan, Khaj, Hossein, Sadeghi, MohammadHadi, Sadeghi, Seyed Abootaleb,

This research was carried out to determine nutritive value of Medicago polymorpha and Malva parviflora in various growth stages. The study was conducted at three rangelands during December 2013 to May 2014. The samples of plants were randomly taken in three stages including vegetative growth, flowering and maturity (seed production). Samples of each stage and place were analyzed for DM, CP, EE,...

Journal: :New Phytologist 2021

Previous studies of plant circadian clock evolution have often relied on models and genes defined in Arabidopsis. These identified homologues with seemingly conserved function, as well frequent gene loss. In the present study, we aimed to identify candidate liverwort Marchantia polymorpha using a more unbiased approach. To rhythm sequenced transcriptomes gemmalings time series constant light co...

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