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The sloop Clearwater in full sail on the Hudson River.
The 2018 Clearwater Festival will take place on Saturday and Sunday, June 16 and 17 at Croton Point Park in Croton-on-Hudson, Westchester County, NY. Festival gates open to attendees at 9AM. Clearwater’s Great Hudson River Revival (aka “the Clearwater Festival” or “Revival”) features seven sustainably powered stages with diverse music, dance, storytelling and family-oriented programming as well as a juried Handcrafters’ Village, the Green Living Expo, the Working Waterfront with small boat exhibits and rides, the Artisanal Food Farm Market, environmental education displays and exhibits, and the Circle of Song where audience participation is the focus. The festival is wheelchair accessible and stage programming is staffed with American Sign Language interpreters. Inspired by Pete Seeger’s desire to clean up the river over forty years ago, Clearwater’s Great Hudson River Revival initially helped raise the funds to build the sloop Clearwater , which has since become a world-renowned floating classroom and a symbol of effective grassroots action. Today, Hudson River Sloop Clearwater, Inc. is a non-profit organization that sails at the forefront of the nation’s environmental challenges. The revenue raised by the Revival goes to support Clearwater’s numerous educational programs and its work toward environmental and social justice—as well as keeping the sloop Clearwater afloat.
Clearwater Festival Saturday and Sunday, June 16 and 17 Clearwater’s Great Hudson River Revival RevivalMission of the Festival
Pete Seeger at the Clearwater Festival.
Clearwater’s Great Hudson River Revival is produced by the nonprofit, member-supported, environmental organization Hudson River Sloop Clearwater, Inc . All proceeds go directly to support Clearwater’s environmental research, education and advocacy efforts to help preserve and protect the Hudson River and its tributaries, as well as communities in the river valley. The festival has helped over 250,000 adults experience the wonders of the Hudson River from aboard the sloop Clearwater . The organization itself has gained worldwide recognition for its leadership in helping to pass landmark environmental laws, both state and federal, including the Clean Water Act. Recently, Clearwater played a key role in the Environmental Protection Agency’s (EPAs) decision to remove PCBs from the Hudson River. This decision compels one of the Hudson River’s biggest polluters to begin removing the toxic PCBs from the water, thereby expediting the amount of time before the river is restored. In 2002, Pete Seeger , the founder of Clearwater, was named a “Clean Water Hero” for his prominent efforts in the passage of the Clean Water Act. His tireless devotion to working through Clearwater and promoting its message to effectively use the law in prosecuting polluters of America’s waterways has made the Clean Water Act perhaps the most successful environmental law in the country. Today, seeing the success of the Clearwater organization, one cannot imagine these achievements being possible without the Clearwater Festival . The Great Hudson River Revival has helped raise funds and served as a beacon toward raising awareness in support of America’s First River. And it all started more than 35 years ago, when it was but the dream of a banjo-picking folksinger.
A zinc finger is a self-contained domain that formed through the stabilization of a zinc ion binded to a pair of cysteines and a pair of histidines. In addition an inner hydrophobic attaches to it also. The discovery of the zinc finger revealed a new protein fold but also an important aspect of DNA recognition. In contrast to other DNA binding proteins that usually utilize the two-fold symmetry o the double helix, zinc finger are bonded together in a single file to recognize nucleic acid sequences of differing lengths. This standard design gives numerous combinations for the specific recognition of DNA or RNA. Therefore, it is expected that the zing finger is present in nature in great abundance. Also this explains why it is 3% of the genes in the human genome.
The zinc finger's most suitable role is for engineering proteins to find specific genes and target them. One application of them in 1994 used three finger protein to knock off the expression of oncogene transformed and modified into a mouse cell line. Also, targeting a slipped in zinc finger promoter led to the activation of a reporter gene. Therefore, genes can be switched on or off in a carefully chosen manner through the fusion of zinc finger peptides to repression or activation domains. In addition, it is possible that putting zinc fingers with the other effector domains like from nucleases or integrases, to make chimeric proteins, genomes could be controlled and modified. There are a couple applications of engineered zinc finger proteins, which can have therapeutic importance.
It has taken about ten years of research on the structure of chromatin to finally discover the nucleosome and a general depiction of its basic structure. Also it led to the discovery as the next level for the folding of DNA in the 300-A chromatin fiber. This led to an interest to what was labeled "active chromatin" back then. This is the chromatin that is involved in transcription or that was held in a balanced manner to do so, and finding a tractable system. This can lead to many possibilities of extracting relatively big quantities of material for biochemical and structural studies.
Robert Roeder and Donal Brown who studied the 5S RNA genes of Xenopus laevis, which transcribed by RNA polymerase III was interesting. They found out that the accurate starting stage of transcription needs the binding of a 40kDA protein factor, which is also known as factor A or transcription factor IIIA, which if extracted and purified from oocyte extracts. By utilizng a method called deletion mapping, it was found that this factor interacts with a region about 50 nucleotides long inside the gene, which is also known as the internal control region. The first eukaryotic transcription factor that was described was this.
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